Home / 22,710.79-31,344.65-13,277.53

Finding the Fourth Proportional to 22,710.79, 31,344.65 and 13,277.53

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Solution

The fourth proportional to 22,710.79, 31,344.65 and 13,277.53 is: 18,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,710.79 : 31,344.65 = 13,277.53 : x
  2. Step 2: Convert to fraction form
    22,710.79/31,344.65 = 13,277.53/x
  3. Step 3: Cross multiply
    22,710.79x = 31,344.65 × 13,277.53
  4. Step 4: Simplify right side
    22,710.79x = 416,179,530.71
  5. Step 5: Solve for x
    x = 416,179,530.71/22,710.79
  6. Step 6: Final answer
    x = 18,325.19

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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.