Home / 22,630.40-31,215.76-14,574.50

Finding the Fourth Proportional to 22,630.40, 31,215.76 and 14,574.50

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Solution

The fourth proportional to 22,630.40, 31,215.76 and 14,574.50 is: 20,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.40 : 31,215.76 = 14,574.50 : x
  2. Step 2: Convert to fraction form
    22,630.40/31,215.76 = 14,574.50/x
  3. Step 3: Cross multiply
    22,630.40x = 31,215.76 × 14,574.50
  4. Step 4: Simplify right side
    22,630.40x = 454,953,865.17
  5. Step 5: Solve for x
    x = 454,953,865.17/22,630.40
  6. Step 6: Final answer
    x = 20,103.66

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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.