Home / 13,264.40-18,304.16-7,296.32

Finding the Fourth Proportional to 13,264.40, 18,304.16 and 7,296.32

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Solution

The fourth proportional to 13,264.40, 18,304.16 and 7,296.32 is: 10,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.40 : 18,304.16 = 7,296.32 : x
  2. Step 2: Convert to fraction form
    13,264.40/18,304.16 = 7,296.32/x
  3. Step 3: Cross multiply
    13,264.40x = 18,304.16 × 7,296.32
  4. Step 4: Simplify right side
    13,264.40x = 133,553,008.69
  5. Step 5: Solve for x
    x = 133,553,008.69/13,264.40
  6. Step 6: Final answer
    x = 10,068.53

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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.