Home / 10,263.42-15,395.13-5,877.81

Finding the Fourth Proportional to 10,263.42, 15,395.13 and 5,877.81

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Solution

The fourth proportional to 10,263.42, 15,395.13 and 5,877.81 is: 8,816.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.42 : 15,395.13 = 5,877.81 : x
  2. Step 2: Convert to fraction form
    10,263.42/15,395.13 = 5,877.81/x
  3. Step 3: Cross multiply
    10,263.42x = 15,395.13 × 5,877.81
  4. Step 4: Simplify right side
    10,263.42x = 90,489,649.07
  5. Step 5: Solve for x
    x = 90,489,649.07/10,263.42
  6. Step 6: Final answer
    x = 8,816.72

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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.