Home / 15,330.50-22,995.75-4,386.50

Finding the Fourth Proportional to 15,330.50, 22,995.75 and 4,386.50

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Solution

The fourth proportional to 15,330.50, 22,995.75 and 4,386.50 is: 6,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.50 : 22,995.75 = 4,386.50 : x
  2. Step 2: Convert to fraction form
    15,330.50/22,995.75 = 4,386.50/x
  3. Step 3: Cross multiply
    15,330.50x = 22,995.75 × 4,386.50
  4. Step 4: Simplify right side
    15,330.50x = 100,870,857.38
  5. Step 5: Solve for x
    x = 100,870,857.38/15,330.50
  6. Step 6: Final answer
    x = 6,579.75

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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.