Home / 15,559.11-21,475.76-8,845.02

Finding the Fourth Proportional to 15,559.11, 21,475.76 and 8,845.02

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Solution

The fourth proportional to 15,559.11, 21,475.76 and 8,845.02 is: 12,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.11 : 21,475.76 = 8,845.02 : x
  2. Step 2: Convert to fraction form
    15,559.11/21,475.76 = 8,845.02/x
  3. Step 3: Cross multiply
    15,559.11x = 21,475.76 × 8,845.02
  4. Step 4: Simplify right side
    15,559.11x = 189,953,482.49
  5. Step 5: Solve for x
    x = 189,953,482.49/15,559.11
  6. Step 6: Final answer
    x = 12,208.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.