Home / 12,320.01-16,983.81-9,803.16

Finding the Fourth Proportional to 12,320.01, 16,983.81 and 9,803.16

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Solution

The fourth proportional to 12,320.01, 16,983.81 and 9,803.16 is: 13,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.01 : 16,983.81 = 9,803.16 : x
  2. Step 2: Convert to fraction form
    12,320.01/16,983.81 = 9,803.16/x
  3. Step 3: Cross multiply
    12,320.01x = 16,983.81 × 9,803.16
  4. Step 4: Simplify right side
    12,320.01x = 166,495,006.84
  5. Step 5: Solve for x
    x = 166,495,006.84/12,320.01
  6. Step 6: Final answer
    x = 13,514.19

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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.