Home / 10,415.04-15,618.87-3,393.15

Finding the Fourth Proportional to 10,415.04, 15,618.87 and 3,393.15

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Solution

The fourth proportional to 10,415.04, 15,618.87 and 3,393.15 is: 5,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.04 : 15,618.87 = 3,393.15 : x
  2. Step 2: Convert to fraction form
    10,415.04/15,618.87 = 3,393.15/x
  3. Step 3: Cross multiply
    10,415.04x = 15,618.87 × 3,393.15
  4. Step 4: Simplify right side
    10,415.04x = 52,997,168.74
  5. Step 5: Solve for x
    x = 52,997,168.74/10,415.04
  6. Step 6: Final answer
    x = 5,088.52

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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.