Home / 15,316.72-22,971.28-4,222.84

Finding the Fourth Proportional to 15,316.72, 22,971.28 and 4,222.84

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Solution

The fourth proportional to 15,316.72, 22,971.28 and 4,222.84 is: 6,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.72 : 22,971.28 = 4,222.84 : x
  2. Step 2: Convert to fraction form
    15,316.72/22,971.28 = 4,222.84/x
  3. Step 3: Cross multiply
    15,316.72x = 22,971.28 × 4,222.84
  4. Step 4: Simplify right side
    15,316.72x = 97,004,040.04
  5. Step 5: Solve for x
    x = 97,004,040.04/15,316.72
  6. Step 6: Final answer
    x = 6,333.21

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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.