Home / 10,000.91-15,025.95-7,528.23

Finding the Fourth Proportional to 10,000.91, 15,025.95 and 7,528.23

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Solution

The fourth proportional to 10,000.91, 15,025.95 and 7,528.23 is: 11,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.91 : 15,025.95 = 7,528.23 : x
  2. Step 2: Convert to fraction form
    10,000.91/15,025.95 = 7,528.23/x
  3. Step 3: Cross multiply
    10,000.91x = 15,025.95 × 7,528.23
  4. Step 4: Simplify right side
    10,000.91x = 113,118,807.57
  5. Step 5: Solve for x
    x = 113,118,807.57/10,000.91
  6. Step 6: Final answer
    x = 11,310.86

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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.