Home / 25,112.57-37,667.63-9,320.67

Finding the Fourth Proportional to 25,112.57, 37,667.63 and 9,320.67

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Solution

The fourth proportional to 25,112.57, 37,667.63 and 9,320.67 is: 13,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,112.57 : 37,667.63 = 9,320.67 : x
  2. Step 2: Convert to fraction form
    25,112.57/37,667.63 = 9,320.67/x
  3. Step 3: Cross multiply
    25,112.57x = 37,667.63 × 9,320.67
  4. Step 4: Simplify right side
    25,112.57x = 351,087,502.31
  5. Step 5: Solve for x
    x = 351,087,502.31/25,112.57
  6. Step 6: Final answer
    x = 13,980.55

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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.