Home / 15,548.40-23,327.28-9,315.36

Finding the Fourth Proportional to 15,548.40, 23,327.28 and 9,315.36

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Solution

The fourth proportional to 15,548.40, 23,327.28 and 9,315.36 is: 13,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.40 : 23,327.28 = 9,315.36 : x
  2. Step 2: Convert to fraction form
    15,548.40/23,327.28 = 9,315.36/x
  3. Step 3: Cross multiply
    15,548.40x = 23,327.28 × 9,315.36
  4. Step 4: Simplify right side
    15,548.40x = 217,302,011.02
  5. Step 5: Solve for x
    x = 217,302,011.02/15,548.40
  6. Step 6: Final answer
    x = 13,975.84

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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.