Home / 22,520.04-31,077.33-12,448.67

Finding the Fourth Proportional to 22,520.04, 31,077.33 and 12,448.67

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Solution

The fourth proportional to 22,520.04, 31,077.33 and 12,448.67 is: 17,178.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,520.04 : 31,077.33 = 12,448.67 : x
  2. Step 2: Convert to fraction form
    22,520.04/31,077.33 = 12,448.67/x
  3. Step 3: Cross multiply
    22,520.04x = 31,077.33 × 12,448.67
  4. Step 4: Simplify right side
    22,520.04x = 386,871,270.26
  5. Step 5: Solve for x
    x = 386,871,270.26/22,520.04
  6. Step 6: Final answer
    x = 17,178.98

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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.