Home / 14,930.02-20,603.29-8,215.93

Finding the Fourth Proportional to 14,930.02, 20,603.29 and 8,215.93

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Solution

The fourth proportional to 14,930.02, 20,603.29 and 8,215.93 is: 11,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.02 : 20,603.29 = 8,215.93 : x
  2. Step 2: Convert to fraction form
    14,930.02/20,603.29 = 8,215.93/x
  3. Step 3: Cross multiply
    14,930.02x = 20,603.29 × 8,215.93
  4. Step 4: Simplify right side
    14,930.02x = 169,275,188.41
  5. Step 5: Solve for x
    x = 169,275,188.41/14,930.02
  6. Step 6: Final answer
    x = 11,337.91

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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.