Home / 10,641.24-14,688.30-7,282.80

Finding the Fourth Proportional to 10,641.24, 14,688.30 and 7,282.80

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Solution

The fourth proportional to 10,641.24, 14,688.30 and 7,282.80 is: 10,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.24 : 14,688.30 = 7,282.80 : x
  2. Step 2: Convert to fraction form
    10,641.24/14,688.30 = 7,282.80/x
  3. Step 3: Cross multiply
    10,641.24x = 14,688.30 × 7,282.80
  4. Step 4: Simplify right side
    10,641.24x = 106,971,951.24
  5. Step 5: Solve for x
    x = 106,971,951.24/10,641.24
  6. Step 6: Final answer
    x = 10,052.58

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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.