Home / 15,659.84-21,610.26-8,586.08

Finding the Fourth Proportional to 15,659.84, 21,610.26 and 8,586.08

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Solution

The fourth proportional to 15,659.84, 21,610.26 and 8,586.08 is: 11,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.84 : 21,610.26 = 8,586.08 : x
  2. Step 2: Convert to fraction form
    15,659.84/21,610.26 = 8,586.08/x
  3. Step 3: Cross multiply
    15,659.84x = 21,610.26 × 8,586.08
  4. Step 4: Simplify right side
    15,659.84x = 185,547,421.18
  5. Step 5: Solve for x
    x = 185,547,421.18/15,659.84
  6. Step 6: Final answer
    x = 11,848.62

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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.