Home / 15,332.99-21,159.71-9,283.14

Finding the Fourth Proportional to 15,332.99, 21,159.71 and 9,283.14

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Solution

The fourth proportional to 15,332.99, 21,159.71 and 9,283.14 is: 12,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.99 : 21,159.71 = 9,283.14 : x
  2. Step 2: Convert to fraction form
    15,332.99/21,159.71 = 9,283.14/x
  3. Step 3: Cross multiply
    15,332.99x = 21,159.71 × 9,283.14
  4. Step 4: Simplify right side
    15,332.99x = 196,428,503.87
  5. Step 5: Solve for x
    x = 196,428,503.87/15,332.99
  6. Step 6: Final answer
    x = 12,810.85

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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.