Home / 12,210.72-16,858.95-9,373.02

Finding the Fourth Proportional to 12,210.72, 16,858.95 and 9,373.02

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Solution

The fourth proportional to 12,210.72, 16,858.95 and 9,373.02 is: 12,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.72 : 16,858.95 = 9,373.02 : x
  2. Step 2: Convert to fraction form
    12,210.72/16,858.95 = 9,373.02/x
  3. Step 3: Cross multiply
    12,210.72x = 16,858.95 × 9,373.02
  4. Step 4: Simplify right side
    12,210.72x = 158,019,275.53
  5. Step 5: Solve for x
    x = 158,019,275.53/12,210.72
  6. Step 6: Final answer
    x = 12,941.03

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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.