Home / 12,987.28-19,483.80-6,058

Finding the Fourth Proportional to 12,987.28, 19,483.80 and 6,058

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Solution

The fourth proportional to 12,987.28, 19,483.80 and 6,058 is: 9,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987.28 : 19,483.80 = 6,058 : x
  2. Step 2: Convert to fraction form
    12,987.28/19,483.80 = 6,058/x
  3. Step 3: Cross multiply
    12,987.28x = 19,483.80 × 6,058
  4. Step 4: Simplify right side
    12,987.28x = 118,032,860.40
  5. Step 5: Solve for x
    x = 118,032,860.40/12,987.28
  6. Step 6: Final answer
    x = 9,088.34

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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.