Home / 18,942.02-26,140.08-10,988.93

Finding the Fourth Proportional to 18,942.02, 26,140.08 and 10,988.93

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Solution

The fourth proportional to 18,942.02, 26,140.08 and 10,988.93 is: 15,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.02 : 26,140.08 = 10,988.93 : x
  2. Step 2: Convert to fraction form
    18,942.02/26,140.08 = 10,988.93/x
  3. Step 3: Cross multiply
    18,942.02x = 26,140.08 × 10,988.93
  4. Step 4: Simplify right side
    18,942.02x = 287,251,509.31
  5. Step 5: Solve for x
    x = 287,251,509.31/18,942.02
  6. Step 6: Final answer
    x = 15,164.78

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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.