Home / 12,060.04-16,643.02-7,865.88

Finding the Fourth Proportional to 12,060.04, 16,643.02 and 7,865.88

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Solution

The fourth proportional to 12,060.04, 16,643.02 and 7,865.88 is: 10,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.04 : 16,643.02 = 7,865.88 : x
  2. Step 2: Convert to fraction form
    12,060.04/16,643.02 = 7,865.88/x
  3. Step 3: Cross multiply
    12,060.04x = 16,643.02 × 7,865.88
  4. Step 4: Simplify right side
    12,060.04x = 130,911,998.16
  5. Step 5: Solve for x
    x = 130,911,998.16/12,060.04
  6. Step 6: Final answer
    x = 10,855.02

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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.