Home / 15,762.20-23,612.10-10,219.40

Finding the Fourth Proportional to 15,762.20, 23,612.10 and 10,219.40

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Solution

The fourth proportional to 15,762.20, 23,612.10 and 10,219.40 is: 15,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762.20 : 23,612.10 = 10,219.40 : x
  2. Step 2: Convert to fraction form
    15,762.20/23,612.10 = 10,219.40/x
  3. Step 3: Cross multiply
    15,762.20x = 23,612.10 × 10,219.40
  4. Step 4: Simplify right side
    15,762.20x = 241,301,494.74
  5. Step 5: Solve for x
    x = 241,301,494.74/15,762.20
  6. Step 6: Final answer
    x = 15,308.87

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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.