Home / 18,460.30-27,689.46-5,312.16

Finding the Fourth Proportional to 18,460.30, 27,689.46 and 5,312.16

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Solution

The fourth proportional to 18,460.30, 27,689.46 and 5,312.16 is: 7,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.30 : 27,689.46 = 5,312.16 : x
  2. Step 2: Convert to fraction form
    18,460.30/27,689.46 = 5,312.16/x
  3. Step 3: Cross multiply
    18,460.30x = 27,689.46 × 5,312.16
  4. Step 4: Simplify right side
    18,460.30x = 147,090,841.83
  5. Step 5: Solve for x
    x = 147,090,841.83/18,460.30
  6. Step 6: Final answer
    x = 7,967.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.