Home / 14,487.06-19,975.23-13,437.30

Finding the Fourth Proportional to 14,487.06, 19,975.23 and 13,437.30

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Solution

The fourth proportional to 14,487.06, 19,975.23 and 13,437.30 is: 18,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.06 : 19,975.23 = 13,437.30 : x
  2. Step 2: Convert to fraction form
    14,487.06/19,975.23 = 13,437.30/x
  3. Step 3: Cross multiply
    14,487.06x = 19,975.23 × 13,437.30
  4. Step 4: Simplify right side
    14,487.06x = 268,413,158.08
  5. Step 5: Solve for x
    x = 268,413,158.08/14,487.06
  6. Step 6: Final answer
    x = 18,527.79

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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.