Home / 12,878.04-19,317.12-5,957.40

Finding the Fourth Proportional to 12,878.04, 19,317.12 and 5,957.40

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Solution

The fourth proportional to 12,878.04, 19,317.12 and 5,957.40 is: 8,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,878.04 : 19,317.12 = 5,957.40 : x
  2. Step 2: Convert to fraction form
    12,878.04/19,317.12 = 5,957.40/x
  3. Step 3: Cross multiply
    12,878.04x = 19,317.12 × 5,957.40
  4. Step 4: Simplify right side
    12,878.04x = 115,079,810.69
  5. Step 5: Solve for x
    x = 115,079,810.69/12,878.04
  6. Step 6: Final answer
    x = 8,936.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.