Home / 12,437.39-18,643.79-5,037.16

Finding the Fourth Proportional to 12,437.39, 18,643.79 and 5,037.16

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Solution

The fourth proportional to 12,437.39, 18,643.79 and 5,037.16 is: 7,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.39 : 18,643.79 = 5,037.16 : x
  2. Step 2: Convert to fraction form
    12,437.39/18,643.79 = 5,037.16/x
  3. Step 3: Cross multiply
    12,437.39x = 18,643.79 × 5,037.16
  4. Step 4: Simplify right side
    12,437.39x = 93,911,719.22
  5. Step 5: Solve for x
    x = 93,911,719.22/12,437.39
  6. Step 6: Final answer
    x = 7,550.76

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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.