Home / 15,030.40-22,548.67-5,168.40

Finding the Fourth Proportional to 15,030.40, 22,548.67 and 5,168.40

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Solution

The fourth proportional to 15,030.40, 22,548.67 and 5,168.40 is: 7,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.40 : 22,548.67 = 5,168.40 : x
  2. Step 2: Convert to fraction form
    15,030.40/22,548.67 = 5,168.40/x
  3. Step 3: Cross multiply
    15,030.40x = 22,548.67 × 5,168.40
  4. Step 4: Simplify right side
    15,030.40x = 116,540,477.62
  5. Step 5: Solve for x
    x = 116,540,477.62/15,030.40
  6. Step 6: Final answer
    x = 7,753.65

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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.