Home / 15,313.52-22,970.18-4,221.74

Finding the Fourth Proportional to 15,313.52, 22,970.18 and 4,221.74

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Solution

The fourth proportional to 15,313.52, 22,970.18 and 4,221.74 is: 6,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.52 : 22,970.18 = 4,221.74 : x
  2. Step 2: Convert to fraction form
    15,313.52/22,970.18 = 4,221.74/x
  3. Step 3: Cross multiply
    15,313.52x = 22,970.18 × 4,221.74
  4. Step 4: Simplify right side
    15,313.52x = 96,974,127.71
  5. Step 5: Solve for x
    x = 96,974,127.71/15,313.52
  6. Step 6: Final answer
    x = 6,332.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.