Home / 20,547.42-30,815.73-7,397.34

Finding the Fourth Proportional to 20,547.42, 30,815.73 and 7,397.34

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Solution

The fourth proportional to 20,547.42, 30,815.73 and 7,397.34 is: 11,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547.42 : 30,815.73 = 7,397.34 : x
  2. Step 2: Convert to fraction form
    20,547.42/30,815.73 = 7,397.34/x
  3. Step 3: Cross multiply
    20,547.42x = 30,815.73 × 7,397.34
  4. Step 4: Simplify right side
    20,547.42x = 227,954,432.16
  5. Step 5: Solve for x
    x = 227,954,432.16/20,547.42
  6. Step 6: Final answer
    x = 11,094.07

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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.