Home / 16,779.63-23,142.77-10,402.66

Finding the Fourth Proportional to 16,779.63, 23,142.77 and 10,402.66

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Solution

The fourth proportional to 16,779.63, 23,142.77 and 10,402.66 is: 14,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.63 : 23,142.77 = 10,402.66 : x
  2. Step 2: Convert to fraction form
    16,779.63/23,142.77 = 10,402.66/x
  3. Step 3: Cross multiply
    16,779.63x = 23,142.77 × 10,402.66
  4. Step 4: Simplify right side
    16,779.63x = 240,746,335.92
  5. Step 5: Solve for x
    x = 240,746,335.92/16,779.63
  6. Step 6: Final answer
    x = 14,347.53

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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.