Home / 10,256.45-14,154.95-6,280.20

Finding the Fourth Proportional to 10,256.45, 14,154.95 and 6,280.20

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Solution

The fourth proportional to 10,256.45, 14,154.95 and 6,280.20 is: 8,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.45 : 14,154.95 = 6,280.20 : x
  2. Step 2: Convert to fraction form
    10,256.45/14,154.95 = 6,280.20/x
  3. Step 3: Cross multiply
    10,256.45x = 14,154.95 × 6,280.20
  4. Step 4: Simplify right side
    10,256.45x = 88,895,932.69
  5. Step 5: Solve for x
    x = 88,895,932.69/10,256.45
  6. Step 6: Final answer
    x = 8,667.32

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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.