Home / 16,779.40-23,160.45-10,407.94

Finding the Fourth Proportional to 16,779.40, 23,160.45 and 10,407.94

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Solution

The fourth proportional to 16,779.40, 23,160.45 and 10,407.94 is: 14,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.40 : 23,160.45 = 10,407.94 : x
  2. Step 2: Convert to fraction form
    16,779.40/23,160.45 = 10,407.94/x
  3. Step 3: Cross multiply
    16,779.40x = 23,160.45 × 10,407.94
  4. Step 4: Simplify right side
    16,779.40x = 241,052,573.97
  5. Step 5: Solve for x
    x = 241,052,573.97/16,779.40
  6. Step 6: Final answer
    x = 14,365.98

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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.