Home / 19,049.20-26,281.52-11,089.74

Finding the Fourth Proportional to 19,049.20, 26,281.52 and 11,089.74

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Solution

The fourth proportional to 19,049.20, 26,281.52 and 11,089.74 is: 15,300.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.20 : 26,281.52 = 11,089.74 : x
  2. Step 2: Convert to fraction form
    19,049.20/26,281.52 = 11,089.74/x
  3. Step 3: Cross multiply
    19,049.20x = 26,281.52 × 11,089.74
  4. Step 4: Simplify right side
    19,049.20x = 291,455,223.60
  5. Step 5: Solve for x
    x = 291,455,223.60/19,049.20
  6. Step 6: Final answer
    x = 15,300.13

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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.