Home / 10,025.08-15,037.71-4,478.69

Finding the Fourth Proportional to 10,025.08, 15,037.71 and 4,478.69

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Solution

The fourth proportional to 10,025.08, 15,037.71 and 4,478.69 is: 6,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.08 : 15,037.71 = 4,478.69 : x
  2. Step 2: Convert to fraction form
    10,025.08/15,037.71 = 4,478.69/x
  3. Step 3: Cross multiply
    10,025.08x = 15,037.71 × 4,478.69
  4. Step 4: Simplify right side
    10,025.08x = 67,349,241.40
  5. Step 5: Solve for x
    x = 67,349,241.40/10,025.08
  6. Step 6: Final answer
    x = 6,718.08

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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.