Home / 14,929.02-20,603.30-8,215.92

Finding the Fourth Proportional to 14,929.02, 20,603.30 and 8,215.92

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Solution

The fourth proportional to 14,929.02, 20,603.30 and 8,215.92 is: 11,338.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.02 : 20,603.30 = 8,215.92 : x
  2. Step 2: Convert to fraction form
    14,929.02/20,603.30 = 8,215.92/x
  3. Step 3: Cross multiply
    14,929.02x = 20,603.30 × 8,215.92
  4. Step 4: Simplify right side
    14,929.02x = 169,275,023.46
  5. Step 5: Solve for x
    x = 169,275,023.46/14,929.02
  6. Step 6: Final answer
    x = 11,338.66

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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.