Home / 15,550.48-23,325.66-12,947.92

Finding the Fourth Proportional to 15,550.48, 23,325.66 and 12,947.92

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Solution

The fourth proportional to 15,550.48, 23,325.66 and 12,947.92 is: 19,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550.48 : 23,325.66 = 12,947.92 : x
  2. Step 2: Convert to fraction form
    15,550.48/23,325.66 = 12,947.92/x
  3. Step 3: Cross multiply
    15,550.48x = 23,325.66 × 12,947.92
  4. Step 4: Simplify right side
    15,550.48x = 302,018,779.63
  5. Step 5: Solve for x
    x = 302,018,779.63/15,550.48
  6. Step 6: Final answer
    x = 19,421.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.