Home / 15,057.84-20,777.40-9,464.88

Finding the Fourth Proportional to 15,057.84, 20,777.40 and 9,464.88

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Solution

The fourth proportional to 15,057.84, 20,777.40 and 9,464.88 is: 13,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.84 : 20,777.40 = 9,464.88 : x
  2. Step 2: Convert to fraction form
    15,057.84/20,777.40 = 9,464.88/x
  3. Step 3: Cross multiply
    15,057.84x = 20,777.40 × 9,464.88
  4. Step 4: Simplify right side
    15,057.84x = 196,655,597.71
  5. Step 5: Solve for x
    x = 196,655,597.71/15,057.84
  6. Step 6: Final answer
    x = 13,060.01

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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.