Home / 10,240.16-15,360.21-3,666.85

Finding the Fourth Proportional to 10,240.16, 15,360.21 and 3,666.85

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Solution

The fourth proportional to 10,240.16, 15,360.21 and 3,666.85 is: 5,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.16 : 15,360.21 = 3,666.85 : x
  2. Step 2: Convert to fraction form
    10,240.16/15,360.21 = 3,666.85/x
  3. Step 3: Cross multiply
    10,240.16x = 15,360.21 × 3,666.85
  4. Step 4: Simplify right side
    10,240.16x = 56,323,547.64
  5. Step 5: Solve for x
    x = 56,323,547.64/10,240.16
  6. Step 6: Final answer
    x = 5,500.26

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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.