Home / 14,160.04-19,540.74-7,872.52

Finding the Fourth Proportional to 14,160.04, 19,540.74 and 7,872.52

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Solution

The fourth proportional to 14,160.04, 19,540.74 and 7,872.52 is: 10,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.04 : 19,540.74 = 7,872.52 : x
  2. Step 2: Convert to fraction form
    14,160.04/19,540.74 = 7,872.52/x
  3. Step 3: Cross multiply
    14,160.04x = 19,540.74 × 7,872.52
  4. Step 4: Simplify right side
    14,160.04x = 153,834,866.46
  5. Step 5: Solve for x
    x = 153,834,866.46/14,160.04
  6. Step 6: Final answer
    x = 10,864.01

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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.