Home / 18,437.40-25,444.08-10,479.36

Finding the Fourth Proportional to 18,437.40, 25,444.08 and 10,479.36

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Solution

The fourth proportional to 18,437.40, 25,444.08 and 10,479.36 is: 14,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.40 : 25,444.08 = 10,479.36 : x
  2. Step 2: Convert to fraction form
    18,437.40/25,444.08 = 10,479.36/x
  3. Step 3: Cross multiply
    18,437.40x = 25,444.08 × 10,479.36
  4. Step 4: Simplify right side
    18,437.40x = 266,637,674.19
  5. Step 5: Solve for x
    x = 266,637,674.19/18,437.40
  6. Step 6: Final answer
    x = 14,461.78

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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.