Home / 18,307.80-27,461.70-8,444.16

Finding the Fourth Proportional to 18,307.80, 27,461.70 and 8,444.16

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Solution

The fourth proportional to 18,307.80, 27,461.70 and 8,444.16 is: 12,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.80 : 27,461.70 = 8,444.16 : x
  2. Step 2: Convert to fraction form
    18,307.80/27,461.70 = 8,444.16/x
  3. Step 3: Cross multiply
    18,307.80x = 27,461.70 × 8,444.16
  4. Step 4: Simplify right side
    18,307.80x = 231,890,988.67
  5. Step 5: Solve for x
    x = 231,890,988.67/18,307.80
  6. Step 6: Final answer
    x = 12,666.24

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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.