Home / 18,885.03-26,060.81-10,387.16

Finding the Fourth Proportional to 18,885.03, 26,060.81 and 10,387.16

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Solution

The fourth proportional to 18,885.03, 26,060.81 and 10,387.16 is: 14,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,885.03 : 26,060.81 = 10,387.16 : x
  2. Step 2: Convert to fraction form
    18,885.03/26,060.81 = 10,387.16/x
  3. Step 3: Cross multiply
    18,885.03x = 26,060.81 × 10,387.16
  4. Step 4: Simplify right side
    18,885.03x = 270,697,620.96
  5. Step 5: Solve for x
    x = 270,697,620.96/18,885.03
  6. Step 6: Final answer
    x = 14,333.98

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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.