Home / 16,675.40-23,011.19-9,120.26

Finding the Fourth Proportional to 16,675.40, 23,011.19 and 9,120.26

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Solution

The fourth proportional to 16,675.40, 23,011.19 and 9,120.26 is: 12,585.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.40 : 23,011.19 = 9,120.26 : x
  2. Step 2: Convert to fraction form
    16,675.40/23,011.19 = 9,120.26/x
  3. Step 3: Cross multiply
    16,675.40x = 23,011.19 × 9,120.26
  4. Step 4: Simplify right side
    16,675.40x = 209,867,875.05
  5. Step 5: Solve for x
    x = 209,867,875.05/16,675.40
  6. Step 6: Final answer
    x = 12,585.48

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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.