Home / 15,289.31-21,096.75-9,614.20

Finding the Fourth Proportional to 15,289.31, 21,096.75 and 9,614.20

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Solution

The fourth proportional to 15,289.31, 21,096.75 and 9,614.20 is: 13,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.31 : 21,096.75 = 9,614.20 : x
  2. Step 2: Convert to fraction form
    15,289.31/21,096.75 = 9,614.20/x
  3. Step 3: Cross multiply
    15,289.31x = 21,096.75 × 9,614.20
  4. Step 4: Simplify right side
    15,289.31x = 202,828,494.25
  5. Step 5: Solve for x
    x = 202,828,494.25/15,289.31
  6. Step 6: Final answer
    x = 13,266.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.