Home / 13,526.87-20,291.31-4,642.86

Finding the Fourth Proportional to 13,526.87, 20,291.31 and 4,642.86

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Solution

The fourth proportional to 13,526.87, 20,291.31 and 4,642.86 is: 6,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526.87 : 20,291.31 = 4,642.86 : x
  2. Step 2: Convert to fraction form
    13,526.87/20,291.31 = 4,642.86/x
  3. Step 3: Cross multiply
    13,526.87x = 20,291.31 × 4,642.86
  4. Step 4: Simplify right side
    13,526.87x = 94,209,711.55
  5. Step 5: Solve for x
    x = 94,209,711.55/13,526.87
  6. Step 6: Final answer
    x = 6,964.63

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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.