Home / 9,374.47-12,937.14-5,395.59

Finding the Fourth Proportional to 9,374.47, 12,937.14 and 5,395.59

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Solution

The fourth proportional to 9,374.47, 12,937.14 and 5,395.59 is: 7,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.47 : 12,937.14 = 5,395.59 : x
  2. Step 2: Convert to fraction form
    9,374.47/12,937.14 = 5,395.59/x
  3. Step 3: Cross multiply
    9,374.47x = 12,937.14 × 5,395.59
  4. Step 4: Simplify right side
    9,374.47x = 69,803,503.21
  5. Step 5: Solve for x
    x = 69,803,503.21/9,374.47
  6. Step 6: Final answer
    x = 7,446.13

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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.