Home / 12,053.28-16,630.80-7,016.40

Finding the Fourth Proportional to 12,053.28, 16,630.80 and 7,016.40

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Solution

The fourth proportional to 12,053.28, 16,630.80 and 7,016.40 is: 9,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.28 : 16,630.80 = 7,016.40 : x
  2. Step 2: Convert to fraction form
    12,053.28/16,630.80 = 7,016.40/x
  3. Step 3: Cross multiply
    12,053.28x = 16,630.80 × 7,016.40
  4. Step 4: Simplify right side
    12,053.28x = 116,688,345.12
  5. Step 5: Solve for x
    x = 116,688,345.12/12,053.28
  6. Step 6: Final answer
    x = 9,681.04

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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.