Home / 10,643.08-14,666.52-10,380.64

Finding the Fourth Proportional to 10,643.08, 14,666.52 and 10,380.64

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Solution

The fourth proportional to 10,643.08, 14,666.52 and 10,380.64 is: 14,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.08 : 14,666.52 = 10,380.64 : x
  2. Step 2: Convert to fraction form
    10,643.08/14,666.52 = 10,380.64/x
  3. Step 3: Cross multiply
    10,643.08x = 14,666.52 × 10,380.64
  4. Step 4: Simplify right side
    10,643.08x = 152,247,864.17
  5. Step 5: Solve for x
    x = 152,247,864.17/10,643.08
  6. Step 6: Final answer
    x = 14,304.87

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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.