Home / 16,319.80-22,519.95-9,051.45

Finding the Fourth Proportional to 16,319.80, 22,519.95 and 9,051.45

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Solution

The fourth proportional to 16,319.80, 22,519.95 and 9,051.45 is: 12,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.80 : 22,519.95 = 9,051.45 : x
  2. Step 2: Convert to fraction form
    16,319.80/22,519.95 = 9,051.45/x
  3. Step 3: Cross multiply
    16,319.80x = 22,519.95 × 9,051.45
  4. Step 4: Simplify right side
    16,319.80x = 203,838,108.49
  5. Step 5: Solve for x
    x = 203,838,108.49/16,319.80
  6. Step 6: Final answer
    x = 12,490.23

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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.