Home / 15,032.15-20,742.95-10,177.00

Finding the Fourth Proportional to 15,032.15, 20,742.95 and 10,177.00

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Solution

The fourth proportional to 15,032.15, 20,742.95 and 10,177.00 is: 14,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.15 : 20,742.95 = 10,177.00 : x
  2. Step 2: Convert to fraction form
    15,032.15/20,742.95 = 10,177.00/x
  3. Step 3: Cross multiply
    15,032.15x = 20,742.95 × 10,177.00
  4. Step 4: Simplify right side
    15,032.15x = 211,101,034.07
  5. Step 5: Solve for x
    x = 211,101,034.07/15,032.15
  6. Step 6: Final answer
    x = 14,043.30

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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.