Home / 10,409.04-14,331.18-8,426.16

Finding the Fourth Proportional to 10,409.04, 14,331.18 and 8,426.16

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Solution

The fourth proportional to 10,409.04, 14,331.18 and 8,426.16 is: 11,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.04 : 14,331.18 = 8,426.16 : x
  2. Step 2: Convert to fraction form
    10,409.04/14,331.18 = 8,426.16/x
  3. Step 3: Cross multiply
    10,409.04x = 14,331.18 × 8,426.16
  4. Step 4: Simplify right side
    10,409.04x = 120,756,815.67
  5. Step 5: Solve for x
    x = 120,756,815.67/10,409.04
  6. Step 6: Final answer
    x = 11,601.15

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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.