Home / 10,445.96-15,595.53-7,967.56

Finding the Fourth Proportional to 10,445.96, 15,595.53 and 7,967.56

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Solution

The fourth proportional to 10,445.96, 15,595.53 and 7,967.56 is: 11,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.96 : 15,595.53 = 7,967.56 : x
  2. Step 2: Convert to fraction form
    10,445.96/15,595.53 = 7,967.56/x
  3. Step 3: Cross multiply
    10,445.96x = 15,595.53 × 7,967.56
  4. Step 4: Simplify right side
    10,445.96x = 124,258,321.01
  5. Step 5: Solve for x
    x = 124,258,321.01/10,445.96
  6. Step 6: Final answer
    x = 11,895.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.