Home / 20,117.16-30,177.18-6,075.90

Finding the Fourth Proportional to 20,117.16, 30,177.18 and 6,075.90

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Solution

The fourth proportional to 20,117.16, 30,177.18 and 6,075.90 is: 9,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117.16 : 30,177.18 = 6,075.90 : x
  2. Step 2: Convert to fraction form
    20,117.16/30,177.18 = 6,075.90/x
  3. Step 3: Cross multiply
    20,117.16x = 30,177.18 × 6,075.90
  4. Step 4: Simplify right side
    20,117.16x = 183,353,527.96
  5. Step 5: Solve for x
    x = 183,353,527.96/20,117.16
  6. Step 6: Final answer
    x = 9,114.28

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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.