Home / 13,576.08-18,709.64-10,587.20

Finding the Fourth Proportional to 13,576.08, 18,709.64 and 10,587.20

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Solution

The fourth proportional to 13,576.08, 18,709.64 and 10,587.20 is: 14,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.08 : 18,709.64 = 10,587.20 : x
  2. Step 2: Convert to fraction form
    13,576.08/18,709.64 = 10,587.20/x
  3. Step 3: Cross multiply
    13,576.08x = 18,709.64 × 10,587.20
  4. Step 4: Simplify right side
    13,576.08x = 198,082,700.61
  5. Step 5: Solve for x
    x = 198,082,700.61/13,576.08
  6. Step 6: Final answer
    x = 14,590.57

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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.