Home / 20,548.17-30,803.58-7,397.55

Finding the Fourth Proportional to 20,548.17, 30,803.58 and 7,397.55

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Solution

The fourth proportional to 20,548.17, 30,803.58 and 7,397.55 is: 11,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.17 : 30,803.58 = 7,397.55 : x
  2. Step 2: Convert to fraction form
    20,548.17/30,803.58 = 7,397.55/x
  3. Step 3: Cross multiply
    20,548.17x = 30,803.58 × 7,397.55
  4. Step 4: Simplify right side
    20,548.17x = 227,871,023.23
  5. Step 5: Solve for x
    x = 227,871,023.23/20,548.17
  6. Step 6: Final answer
    x = 11,089.60

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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.