Home / 10,518.06-15,777.09-5,904.30

Finding the Fourth Proportional to 10,518.06, 15,777.09 and 5,904.30

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Solution

The fourth proportional to 10,518.06, 15,777.09 and 5,904.30 is: 8,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.06 : 15,777.09 = 5,904.30 : x
  2. Step 2: Convert to fraction form
    10,518.06/15,777.09 = 5,904.30/x
  3. Step 3: Cross multiply
    10,518.06x = 15,777.09 × 5,904.30
  4. Step 4: Simplify right side
    10,518.06x = 93,152,672.49
  5. Step 5: Solve for x
    x = 93,152,672.49/10,518.06
  6. Step 6: Final answer
    x = 8,856.45

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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.