Home / 13,031.71-19,547.53-9,153.43

Finding the Fourth Proportional to 13,031.71, 19,547.53 and 9,153.43

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Solution

The fourth proportional to 13,031.71, 19,547.53 and 9,153.43 is: 13,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.71 : 19,547.53 = 9,153.43 : x
  2. Step 2: Convert to fraction form
    13,031.71/19,547.53 = 9,153.43/x
  3. Step 3: Cross multiply
    13,031.71x = 19,547.53 × 9,153.43
  4. Step 4: Simplify right side
    13,031.71x = 178,926,875.78
  5. Step 5: Solve for x
    x = 178,926,875.78/13,031.71
  6. Step 6: Final answer
    x = 13,730.12

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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.