Home / 10,901.15-16,356.35-4,242.30

Finding the Fourth Proportional to 10,901.15, 16,356.35 and 4,242.30

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Solution

The fourth proportional to 10,901.15, 16,356.35 and 4,242.30 is: 6,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.15 : 16,356.35 = 4,242.30 : x
  2. Step 2: Convert to fraction form
    10,901.15/16,356.35 = 4,242.30/x
  3. Step 3: Cross multiply
    10,901.15x = 16,356.35 × 4,242.30
  4. Step 4: Simplify right side
    10,901.15x = 69,388,543.61
  5. Step 5: Solve for x
    x = 69,388,543.61/10,901.15
  6. Step 6: Final answer
    x = 6,365.25

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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.