Home / 19,071.36-26,318.88-10,690.56

Finding the Fourth Proportional to 19,071.36, 26,318.88 and 10,690.56

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Solution

The fourth proportional to 19,071.36, 26,318.88 and 10,690.56 is: 14,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.36 : 26,318.88 = 10,690.56 : x
  2. Step 2: Convert to fraction form
    19,071.36/26,318.88 = 10,690.56/x
  3. Step 3: Cross multiply
    19,071.36x = 26,318.88 × 10,690.56
  4. Step 4: Simplify right side
    19,071.36x = 281,363,565.77
  5. Step 5: Solve for x
    x = 281,363,565.77/19,071.36
  6. Step 6: Final answer
    x = 14,753.20

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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.