Home / 15,875.40-21,908.58-9,586.52

Finding the Fourth Proportional to 15,875.40, 21,908.58 and 9,586.52

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Solution

The fourth proportional to 15,875.40, 21,908.58 and 9,586.52 is: 13,229.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.40 : 21,908.58 = 9,586.52 : x
  2. Step 2: Convert to fraction form
    15,875.40/21,908.58 = 9,586.52/x
  3. Step 3: Cross multiply
    15,875.40x = 21,908.58 × 9,586.52
  4. Step 4: Simplify right side
    15,875.40x = 210,027,040.34
  5. Step 5: Solve for x
    x = 210,027,040.34/15,875.40
  6. Step 6: Final answer
    x = 13,229.72

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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.