Home / 18,870.47-26,041.30-10,486.97

Finding the Fourth Proportional to 18,870.47, 26,041.30 and 10,486.97

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Solution

The fourth proportional to 18,870.47, 26,041.30 and 10,486.97 is: 14,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.47 : 26,041.30 = 10,486.97 : x
  2. Step 2: Convert to fraction form
    18,870.47/26,041.30 = 10,486.97/x
  3. Step 3: Cross multiply
    18,870.47x = 26,041.30 × 10,486.97
  4. Step 4: Simplify right side
    18,870.47x = 273,094,273.09
  5. Step 5: Solve for x
    x = 273,094,273.09/18,870.47
  6. Step 6: Final answer
    x = 14,472.05

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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.