Home / 13,275.90-18,320.46-7,307.52

Finding the Fourth Proportional to 13,275.90, 18,320.46 and 7,307.52

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Solution

The fourth proportional to 13,275.90, 18,320.46 and 7,307.52 is: 10,084.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.90 : 18,320.46 = 7,307.52 : x
  2. Step 2: Convert to fraction form
    13,275.90/18,320.46 = 7,307.52/x
  3. Step 3: Cross multiply
    13,275.90x = 18,320.46 × 7,307.52
  4. Step 4: Simplify right side
    13,275.90x = 133,877,127.86
  5. Step 5: Solve for x
    x = 133,877,127.86/13,275.90
  6. Step 6: Final answer
    x = 10,084.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.