Home / 14,648.08-20,205.28-9,612.64

Finding the Fourth Proportional to 14,648.08, 20,205.28 and 9,612.64

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Solution

The fourth proportional to 14,648.08, 20,205.28 and 9,612.64 is: 13,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.08 : 20,205.28 = 9,612.64 : x
  2. Step 2: Convert to fraction form
    14,648.08/20,205.28 = 9,612.64/x
  3. Step 3: Cross multiply
    14,648.08x = 20,205.28 × 9,612.64
  4. Step 4: Simplify right side
    14,648.08x = 194,226,082.74
  5. Step 5: Solve for x
    x = 194,226,082.74/14,648.08
  6. Step 6: Final answer
    x = 13,259.49

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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.