Home / 10,371.02-14,311.95-5,655.20

Finding the Fourth Proportional to 10,371.02, 14,311.95 and 5,655.20

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Solution

The fourth proportional to 10,371.02, 14,311.95 and 5,655.20 is: 7,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.02 : 14,311.95 = 5,655.20 : x
  2. Step 2: Convert to fraction form
    10,371.02/14,311.95 = 5,655.20/x
  3. Step 3: Cross multiply
    10,371.02x = 14,311.95 × 5,655.20
  4. Step 4: Simplify right side
    10,371.02x = 80,936,939.64
  5. Step 5: Solve for x
    x = 80,936,939.64/10,371.02
  6. Step 6: Final answer
    x = 7,804.14

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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.