Home / 14,774.59-20,385.30-9,030.58

Finding the Fourth Proportional to 14,774.59, 20,385.30 and 9,030.58

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Solution

The fourth proportional to 14,774.59, 20,385.30 and 9,030.58 is: 12,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.59 : 20,385.30 = 9,030.58 : x
  2. Step 2: Convert to fraction form
    14,774.59/20,385.30 = 9,030.58/x
  3. Step 3: Cross multiply
    14,774.59x = 20,385.30 × 9,030.58
  4. Step 4: Simplify right side
    14,774.59x = 184,091,082.47
  5. Step 5: Solve for x
    x = 184,091,082.47/14,774.59
  6. Step 6: Final answer
    x = 12,459.98

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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.