Home / 18,925.30-26,115.51-10,967.35

Finding the Fourth Proportional to 18,925.30, 26,115.51 and 10,967.35

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Solution

The fourth proportional to 18,925.30, 26,115.51 and 10,967.35 is: 15,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.30 : 26,115.51 = 10,967.35 : x
  2. Step 2: Convert to fraction form
    18,925.30/26,115.51 = 10,967.35/x
  3. Step 3: Cross multiply
    18,925.30x = 26,115.51 × 10,967.35
  4. Step 4: Simplify right side
    18,925.30x = 286,417,963.40
  5. Step 5: Solve for x
    x = 286,417,963.40/18,925.30
  6. Step 6: Final answer
    x = 15,134.13

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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.