Home / 14,655.40-20,223.98-8,367.77

Finding the Fourth Proportional to 14,655.40, 20,223.98 and 8,367.77

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Solution

The fourth proportional to 14,655.40, 20,223.98 and 8,367.77 is: 11,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.40 : 20,223.98 = 8,367.77 : x
  2. Step 2: Convert to fraction form
    14,655.40/20,223.98 = 8,367.77/x
  3. Step 3: Cross multiply
    14,655.40x = 20,223.98 × 8,367.77
  4. Step 4: Simplify right side
    14,655.40x = 169,229,613.12
  5. Step 5: Solve for x
    x = 169,229,613.12/14,655.40
  6. Step 6: Final answer
    x = 11,547.25

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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.