Home / 15,609.48-23,358.60-12,509.40

Finding the Fourth Proportional to 15,609.48, 23,358.60 and 12,509.40

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Solution

The fourth proportional to 15,609.48, 23,358.60 and 12,509.40 is: 18,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.48 : 23,358.60 = 12,509.40 : x
  2. Step 2: Convert to fraction form
    15,609.48/23,358.60 = 12,509.40/x
  3. Step 3: Cross multiply
    15,609.48x = 23,358.60 × 12,509.40
  4. Step 4: Simplify right side
    15,609.48x = 292,202,070.84
  5. Step 5: Solve for x
    x = 292,202,070.84/15,609.48
  6. Step 6: Final answer
    x = 18,719.53

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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.