Home / 14,508.10-21,762.15-7,117.30

Finding the Fourth Proportional to 14,508.10, 21,762.15 and 7,117.30

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Solution

The fourth proportional to 14,508.10, 21,762.15 and 7,117.30 is: 10,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.10 : 21,762.15 = 7,117.30 : x
  2. Step 2: Convert to fraction form
    14,508.10/21,762.15 = 7,117.30/x
  3. Step 3: Cross multiply
    14,508.10x = 21,762.15 × 7,117.30
  4. Step 4: Simplify right side
    14,508.10x = 154,887,750.20
  5. Step 5: Solve for x
    x = 154,887,750.20/14,508.10
  6. Step 6: Final answer
    x = 10,675.95

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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.