Home / 12,437.16-18,655.74-8,529.72

Finding the Fourth Proportional to 12,437.16, 18,655.74 and 8,529.72

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Solution

The fourth proportional to 12,437.16, 18,655.74 and 8,529.72 is: 12,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.16 : 18,655.74 = 8,529.72 : x
  2. Step 2: Convert to fraction form
    12,437.16/18,655.74 = 8,529.72/x
  3. Step 3: Cross multiply
    12,437.16x = 18,655.74 × 8,529.72
  4. Step 4: Simplify right side
    12,437.16x = 159,128,238.59
  5. Step 5: Solve for x
    x = 159,128,238.59/12,437.16
  6. Step 6: Final answer
    x = 12,794.58

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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.