Home / 12,407.02-18,592.99-9,620.72

Finding the Fourth Proportional to 12,407.02, 18,592.99 and 9,620.72

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Solution

The fourth proportional to 12,407.02, 18,592.99 and 9,620.72 is: 14,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.02 : 18,592.99 = 9,620.72 : x
  2. Step 2: Convert to fraction form
    12,407.02/18,592.99 = 9,620.72/x
  3. Step 3: Cross multiply
    12,407.02x = 18,592.99 × 9,620.72
  4. Step 4: Simplify right side
    12,407.02x = 178,878,062.16
  5. Step 5: Solve for x
    x = 178,878,062.16/12,407.02
  6. Step 6: Final answer
    x = 14,417.48

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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.