Home / 19,154.76-26,451-14,430.84

Finding the Fourth Proportional to 19,154.76, 26,451 and 14,430.84

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Solution

The fourth proportional to 19,154.76, 26,451 and 14,430.84 is: 19,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.76 : 26,451 = 14,430.84 : x
  2. Step 2: Convert to fraction form
    19,154.76/26,451 = 14,430.84/x
  3. Step 3: Cross multiply
    19,154.76x = 26,451 × 14,430.84
  4. Step 4: Simplify right side
    19,154.76x = 381,710,148.84
  5. Step 5: Solve for x
    x = 381,710,148.84/19,154.76
  6. Step 6: Final answer
    x = 19,927.69

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.