Home / 15,430.60-23,145.90-10,181.80

Finding the Fourth Proportional to 15,430.60, 23,145.90 and 10,181.80

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Solution

The fourth proportional to 15,430.60, 23,145.90 and 10,181.80 is: 15,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.60 : 23,145.90 = 10,181.80 : x
  2. Step 2: Convert to fraction form
    15,430.60/23,145.90 = 10,181.80/x
  3. Step 3: Cross multiply
    15,430.60x = 23,145.90 × 10,181.80
  4. Step 4: Simplify right side
    15,430.60x = 235,666,924.62
  5. Step 5: Solve for x
    x = 235,666,924.62/15,430.60
  6. Step 6: Final answer
    x = 15,272.70

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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.