Home / 14,295.16-21,426.16-8,456.68

Finding the Fourth Proportional to 14,295.16, 21,426.16 and 8,456.68

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Solution

The fourth proportional to 14,295.16, 21,426.16 and 8,456.68 is: 12,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.16 : 21,426.16 = 8,456.68 : x
  2. Step 2: Convert to fraction form
    14,295.16/21,426.16 = 8,456.68/x
  3. Step 3: Cross multiply
    14,295.16x = 21,426.16 × 8,456.68
  4. Step 4: Simplify right side
    14,295.16x = 181,194,178.75
  5. Step 5: Solve for x
    x = 181,194,178.75/14,295.16
  6. Step 6: Final answer
    x = 12,675.21

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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.