Home / 10,478.02-14,444.77-8,334.76

Finding the Fourth Proportional to 10,478.02, 14,444.77 and 8,334.76

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Solution

The fourth proportional to 10,478.02, 14,444.77 and 8,334.76 is: 11,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.02 : 14,444.77 = 8,334.76 : x
  2. Step 2: Convert to fraction form
    10,478.02/14,444.77 = 8,334.76/x
  3. Step 3: Cross multiply
    10,478.02x = 14,444.77 × 8,334.76
  4. Step 4: Simplify right side
    10,478.02x = 120,393,691.21
  5. Step 5: Solve for x
    x = 120,393,691.21/10,478.02
  6. Step 6: Final answer
    x = 11,490.12

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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.