Home / 20,437.56-30,656.34-13,847.40

Finding the Fourth Proportional to 20,437.56, 30,656.34 and 13,847.40

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Solution

The fourth proportional to 20,437.56, 30,656.34 and 13,847.40 is: 20,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.56 : 30,656.34 = 13,847.40 : x
  2. Step 2: Convert to fraction form
    20,437.56/30,656.34 = 13,847.40/x
  3. Step 3: Cross multiply
    20,437.56x = 30,656.34 × 13,847.40
  4. Step 4: Simplify right side
    20,437.56x = 424,510,602.52
  5. Step 5: Solve for x
    x = 424,510,602.52/20,437.56
  6. Step 6: Final answer
    x = 20,771.10

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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.