Home / 22,140.60-30,554.52-12,069.54

Finding the Fourth Proportional to 22,140.60, 30,554.52 and 12,069.54

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Solution

The fourth proportional to 22,140.60, 30,554.52 and 12,069.54 is: 16,656.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.60 : 30,554.52 = 12,069.54 : x
  2. Step 2: Convert to fraction form
    22,140.60/30,554.52 = 12,069.54/x
  3. Step 3: Cross multiply
    22,140.60x = 30,554.52 × 12,069.54
  4. Step 4: Simplify right side
    22,140.60x = 368,779,001.32
  5. Step 5: Solve for x
    x = 368,779,001.32/22,140.60
  6. Step 6: Final answer
    x = 16,656.23

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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.