Home / 10,487.15-15,752.59-6,113.15

Finding the Fourth Proportional to 10,487.15, 15,752.59 and 6,113.15

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Solution

The fourth proportional to 10,487.15, 15,752.59 and 6,113.15 is: 9,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.15 : 15,752.59 = 6,113.15 : x
  2. Step 2: Convert to fraction form
    10,487.15/15,752.59 = 6,113.15/x
  3. Step 3: Cross multiply
    10,487.15x = 15,752.59 × 6,113.15
  4. Step 4: Simplify right side
    10,487.15x = 96,297,851.51
  5. Step 5: Solve for x
    x = 96,297,851.51/10,487.15
  6. Step 6: Final answer
    x = 9,182.47

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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.