Home / 9,709.60-14,557.20-4,158.40

Finding the Fourth Proportional to 9,709.60, 14,557.20 and 4,158.40

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Solution

The fourth proportional to 9,709.60, 14,557.20 and 4,158.40 is: 6,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.60 : 14,557.20 = 4,158.40 : x
  2. Step 2: Convert to fraction form
    9,709.60/14,557.20 = 4,158.40/x
  3. Step 3: Cross multiply
    9,709.60x = 14,557.20 × 4,158.40
  4. Step 4: Simplify right side
    9,709.60x = 60,534,660.48
  5. Step 5: Solve for x
    x = 60,534,660.48/9,709.60
  6. Step 6: Final answer
    x = 6,234.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.