Home / 15,669.70-21,624.40-8,595.64

Finding the Fourth Proportional to 15,669.70, 21,624.40 and 8,595.64

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Solution

The fourth proportional to 15,669.70, 21,624.40 and 8,595.64 is: 11,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.70 : 21,624.40 = 8,595.64 : x
  2. Step 2: Convert to fraction form
    15,669.70/21,624.40 = 8,595.64/x
  3. Step 3: Cross multiply
    15,669.70x = 21,624.40 × 8,595.64
  4. Step 4: Simplify right side
    15,669.70x = 185,875,557.62
  5. Step 5: Solve for x
    x = 185,875,557.62/15,669.70
  6. Step 6: Final answer
    x = 11,862.10

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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.