Home / 10,280.68-15,425.08-4,358.84

Finding the Fourth Proportional to 10,280.68, 15,425.08 and 4,358.84

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Solution

The fourth proportional to 10,280.68, 15,425.08 and 4,358.84 is: 6,539.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.68 : 15,425.08 = 4,358.84 : x
  2. Step 2: Convert to fraction form
    10,280.68/15,425.08 = 4,358.84/x
  3. Step 3: Cross multiply
    10,280.68x = 15,425.08 × 4,358.84
  4. Step 4: Simplify right side
    10,280.68x = 67,235,455.71
  5. Step 5: Solve for x
    x = 67,235,455.71/10,280.68
  6. Step 6: Final answer
    x = 6,539.98

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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.