Home / 10,410.48-14,377.36-8,991.36

Finding the Fourth Proportional to 10,410.48, 14,377.36 and 8,991.36

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Solution

The fourth proportional to 10,410.48, 14,377.36 and 8,991.36 is: 12,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.48 : 14,377.36 = 8,991.36 : x
  2. Step 2: Convert to fraction form
    10,410.48/14,377.36 = 8,991.36/x
  3. Step 3: Cross multiply
    10,410.48x = 14,377.36 × 8,991.36
  4. Step 4: Simplify right side
    10,410.48x = 129,272,019.61
  5. Step 5: Solve for x
    x = 129,272,019.61/10,410.48
  6. Step 6: Final answer
    x = 12,417.49

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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.