Home / 13,582.11-20,354.36-9,803.76

Finding the Fourth Proportional to 13,582.11, 20,354.36 and 9,803.76

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Solution

The fourth proportional to 13,582.11, 20,354.36 and 9,803.76 is: 14,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.11 : 20,354.36 = 9,803.76 : x
  2. Step 2: Convert to fraction form
    13,582.11/20,354.36 = 9,803.76/x
  3. Step 3: Cross multiply
    13,582.11x = 20,354.36 × 9,803.76
  4. Step 4: Simplify right side
    13,582.11x = 199,549,275.01
  5. Step 5: Solve for x
    x = 199,549,275.01/13,582.11
  6. Step 6: Final answer
    x = 14,692.07

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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.