Home / 15,667.38-23,501.70-3,980.70

Finding the Fourth Proportional to 15,667.38, 23,501.70 and 3,980.70

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Solution

The fourth proportional to 15,667.38, 23,501.70 and 3,980.70 is: 5,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.38 : 23,501.70 = 3,980.70 : x
  2. Step 2: Convert to fraction form
    15,667.38/23,501.70 = 3,980.70/x
  3. Step 3: Cross multiply
    15,667.38x = 23,501.70 × 3,980.70
  4. Step 4: Simplify right side
    15,667.38x = 93,553,217.19
  5. Step 5: Solve for x
    x = 93,553,217.19/15,667.38
  6. Step 6: Final answer
    x = 5,971.21

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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.