Home / 13,437.32-18,544.68-7,468.84

Finding the Fourth Proportional to 13,437.32, 18,544.68 and 7,468.84

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Solution

The fourth proportional to 13,437.32, 18,544.68 and 7,468.84 is: 10,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.32 : 18,544.68 = 7,468.84 : x
  2. Step 2: Convert to fraction form
    13,437.32/18,544.68 = 7,468.84/x
  3. Step 3: Cross multiply
    13,437.32x = 18,544.68 × 7,468.84
  4. Step 4: Simplify right side
    13,437.32x = 138,507,247.77
  5. Step 5: Solve for x
    x = 138,507,247.77/13,437.32
  6. Step 6: Final answer
    x = 10,307.65

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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.