Home / 11,647.95-16,056.02-9,756.20

Finding the Fourth Proportional to 11,647.95, 16,056.02 and 9,756.20

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Solution

The fourth proportional to 11,647.95, 16,056.02 and 9,756.20 is: 13,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.95 : 16,056.02 = 9,756.20 : x
  2. Step 2: Convert to fraction form
    11,647.95/16,056.02 = 9,756.20/x
  3. Step 3: Cross multiply
    11,647.95x = 16,056.02 × 9,756.20
  4. Step 4: Simplify right side
    11,647.95x = 156,645,662.04
  5. Step 5: Solve for x
    x = 156,645,662.04/11,647.95
  6. Step 6: Final answer
    x = 13,448.35

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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.