Home / 16,038.48-22,130.40-8,964.96

Finding the Fourth Proportional to 16,038.48, 22,130.40 and 8,964.96

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Solution

The fourth proportional to 16,038.48, 22,130.40 and 8,964.96 is: 12,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,038.48 : 22,130.40 = 8,964.96 : x
  2. Step 2: Convert to fraction form
    16,038.48/22,130.40 = 8,964.96/x
  3. Step 3: Cross multiply
    16,038.48x = 22,130.40 × 8,964.96
  4. Step 4: Simplify right side
    16,038.48x = 198,398,150.78
  5. Step 5: Solve for x
    x = 198,398,150.78/16,038.48
  6. Step 6: Final answer
    x = 12,370.13

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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.