Home / 12,426.02-17,145.08-9,070.66

Finding the Fourth Proportional to 12,426.02, 17,145.08 and 9,070.66

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Solution

The fourth proportional to 12,426.02, 17,145.08 and 9,070.66 is: 12,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.02 : 17,145.08 = 9,070.66 : x
  2. Step 2: Convert to fraction form
    12,426.02/17,145.08 = 9,070.66/x
  3. Step 3: Cross multiply
    12,426.02x = 17,145.08 × 9,070.66
  4. Step 4: Simplify right side
    12,426.02x = 155,517,105.63
  5. Step 5: Solve for x
    x = 155,517,105.63/12,426.02
  6. Step 6: Final answer
    x = 12,515.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.