Home / 14,352.12-21,472.76-14,315.20

Finding the Fourth Proportional to 14,352.12, 21,472.76 and 14,315.20

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Solution

The fourth proportional to 14,352.12, 21,472.76 and 14,315.20 is: 21,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.12 : 21,472.76 = 14,315.20 : x
  2. Step 2: Convert to fraction form
    14,352.12/21,472.76 = 14,315.20/x
  3. Step 3: Cross multiply
    14,352.12x = 21,472.76 × 14,315.20
  4. Step 4: Simplify right side
    14,352.12x = 307,386,836.06
  5. Step 5: Solve for x
    x = 307,386,836.06/14,352.12
  6. Step 6: Final answer
    x = 21,417.52

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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.