Home / 21,148.23-31,719.81-5,567.07

Finding the Fourth Proportional to 21,148.23, 31,719.81 and 5,567.07

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Solution

The fourth proportional to 21,148.23, 31,719.81 and 5,567.07 is: 8,349.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,148.23 : 31,719.81 = 5,567.07 : x
  2. Step 2: Convert to fraction form
    21,148.23/31,719.81 = 5,567.07/x
  3. Step 3: Cross multiply
    21,148.23x = 31,719.81 × 5,567.07
  4. Step 4: Simplify right side
    21,148.23x = 176,586,402.66
  5. Step 5: Solve for x
    x = 176,586,402.66/21,148.23
  6. Step 6: Final answer
    x = 8,349.94

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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.