Home / 10,390.20-14,334.36-5,851.80

Finding the Fourth Proportional to 10,390.20, 14,334.36 and 5,851.80

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Solution

The fourth proportional to 10,390.20, 14,334.36 and 5,851.80 is: 8,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.20 : 14,334.36 = 5,851.80 : x
  2. Step 2: Convert to fraction form
    10,390.20/14,334.36 = 5,851.80/x
  3. Step 3: Cross multiply
    10,390.20x = 14,334.36 × 5,851.80
  4. Step 4: Simplify right side
    10,390.20x = 83,881,807.85
  5. Step 5: Solve for x
    x = 83,881,807.85/10,390.20
  6. Step 6: Final answer
    x = 8,073.17

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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.