Home / 10,938.34-15,074.51-7,575.22

Finding the Fourth Proportional to 10,938.34, 15,074.51 and 7,575.22

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Solution

The fourth proportional to 10,938.34, 15,074.51 and 7,575.22 is: 10,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.34 : 15,074.51 = 7,575.22 : x
  2. Step 2: Convert to fraction form
    10,938.34/15,074.51 = 7,575.22/x
  3. Step 3: Cross multiply
    10,938.34x = 15,074.51 × 7,575.22
  4. Step 4: Simplify right side
    10,938.34x = 114,192,710.61
  5. Step 5: Solve for x
    x = 114,192,710.61/10,938.34
  6. Step 6: Final answer
    x = 10,439.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.