Home / 15,770.08-23,660.88-9,618.40

Finding the Fourth Proportional to 15,770.08, 23,660.88 and 9,618.40

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Solution

The fourth proportional to 15,770.08, 23,660.88 and 9,618.40 is: 14,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.08 : 23,660.88 = 9,618.40 : x
  2. Step 2: Convert to fraction form
    15,770.08/23,660.88 = 9,618.40/x
  3. Step 3: Cross multiply
    15,770.08x = 23,660.88 × 9,618.40
  4. Step 4: Simplify right side
    15,770.08x = 227,579,808.19
  5. Step 5: Solve for x
    x = 227,579,808.19/15,770.08
  6. Step 6: Final answer
    x = 14,431.11

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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.