Home / 9,873.40-13,624.89-5,397.21

Finding the Fourth Proportional to 9,873.40, 13,624.89 and 5,397.21

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Solution

The fourth proportional to 9,873.40, 13,624.89 and 5,397.21 is: 7,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873.40 : 13,624.89 = 5,397.21 : x
  2. Step 2: Convert to fraction form
    9,873.40/13,624.89 = 5,397.21/x
  3. Step 3: Cross multiply
    9,873.40x = 13,624.89 × 5,397.21
  4. Step 4: Simplify right side
    9,873.40x = 73,536,392.56
  5. Step 5: Solve for x
    x = 73,536,392.56/9,873.40
  6. Step 6: Final answer
    x = 7,447.93

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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.