Home / 14,187.12-19,580.04-7,901.52

Finding the Fourth Proportional to 14,187.12, 19,580.04 and 7,901.52

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Solution

The fourth proportional to 14,187.12, 19,580.04 and 7,901.52 is: 10,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.12 : 19,580.04 = 7,901.52 : x
  2. Step 2: Convert to fraction form
    14,187.12/19,580.04 = 7,901.52/x
  3. Step 3: Cross multiply
    14,187.12x = 19,580.04 × 7,901.52
  4. Step 4: Simplify right side
    14,187.12x = 154,712,077.66
  5. Step 5: Solve for x
    x = 154,712,077.66/14,187.12
  6. Step 6: Final answer
    x = 10,905.11

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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.