Home / 10,655.04-14,690.88-8,760

Finding the Fourth Proportional to 10,655.04, 14,690.88 and 8,760

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Solution

The fourth proportional to 10,655.04, 14,690.88 and 8,760 is: 12,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.04 : 14,690.88 = 8,760 : x
  2. Step 2: Convert to fraction form
    10,655.04/14,690.88 = 8,760/x
  3. Step 3: Cross multiply
    10,655.04x = 14,690.88 × 8,760
  4. Step 4: Simplify right side
    10,655.04x = 128,692,108.80
  5. Step 5: Solve for x
    x = 128,692,108.80/10,655.04
  6. Step 6: Final answer
    x = 12,078.05

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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.