Home / 10,367.02-15,547.11-4,128.58

Finding the Fourth Proportional to 10,367.02, 15,547.11 and 4,128.58

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Solution

The fourth proportional to 10,367.02, 15,547.11 and 4,128.58 is: 6,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.02 : 15,547.11 = 4,128.58 : x
  2. Step 2: Convert to fraction form
    10,367.02/15,547.11 = 4,128.58/x
  3. Step 3: Cross multiply
    10,367.02x = 15,547.11 × 4,128.58
  4. Step 4: Simplify right side
    10,367.02x = 64,187,487.40
  5. Step 5: Solve for x
    x = 64,187,487.40/10,367.02
  6. Step 6: Final answer
    x = 6,191.51

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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.