Home / 15,659.60-23,430.48-10,988.72

Finding the Fourth Proportional to 15,659.60, 23,430.48 and 10,988.72

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Solution

The fourth proportional to 15,659.60, 23,430.48 and 10,988.72 is: 16,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.60 : 23,430.48 = 10,988.72 : x
  2. Step 2: Convert to fraction form
    15,659.60/23,430.48 = 10,988.72/x
  3. Step 3: Cross multiply
    15,659.60x = 23,430.48 × 10,988.72
  4. Step 4: Simplify right side
    15,659.60x = 257,470,984.19
  5. Step 5: Solve for x
    x = 257,470,984.19/15,659.60
  6. Step 6: Final answer
    x = 16,441.73

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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.