Home / 15,056.96-20,779.31-9,088.50

Finding the Fourth Proportional to 15,056.96, 20,779.31 and 9,088.50

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Solution

The fourth proportional to 15,056.96, 20,779.31 and 9,088.50 is: 12,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.96 : 20,779.31 = 9,088.50 : x
  2. Step 2: Convert to fraction form
    15,056.96/20,779.31 = 9,088.50/x
  3. Step 3: Cross multiply
    15,056.96x = 20,779.31 × 9,088.50
  4. Step 4: Simplify right side
    15,056.96x = 188,852,758.94
  5. Step 5: Solve for x
    x = 188,852,758.94/15,056.96
  6. Step 6: Final answer
    x = 12,542.56

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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.