Home / 15,363.56-23,054.28-6,478.34

Finding the Fourth Proportional to 15,363.56, 23,054.28 and 6,478.34

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Solution

The fourth proportional to 15,363.56, 23,054.28 and 6,478.34 is: 9,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.56 : 23,054.28 = 6,478.34 : x
  2. Step 2: Convert to fraction form
    15,363.56/23,054.28 = 6,478.34/x
  3. Step 3: Cross multiply
    15,363.56x = 23,054.28 × 6,478.34
  4. Step 4: Simplify right side
    15,363.56x = 149,353,349.02
  5. Step 5: Solve for x
    x = 149,353,349.02/15,363.56
  6. Step 6: Final answer
    x = 9,721.28

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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.