Home / 19,670.93-29,515.10-10,308.71

Finding the Fourth Proportional to 19,670.93, 29,515.10 and 10,308.71

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Solution

The fourth proportional to 19,670.93, 29,515.10 and 10,308.71 is: 15,467.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.93 : 29,515.10 = 10,308.71 : x
  2. Step 2: Convert to fraction form
    19,670.93/29,515.10 = 10,308.71/x
  3. Step 3: Cross multiply
    19,670.93x = 29,515.10 × 10,308.71
  4. Step 4: Simplify right side
    19,670.93x = 304,262,781.13
  5. Step 5: Solve for x
    x = 304,262,781.13/19,670.93
  6. Step 6: Final answer
    x = 15,467.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.