Home / 12,987.91-19,484.75-6,058.63

Finding the Fourth Proportional to 12,987.91, 19,484.75 and 6,058.63

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Solution

The fourth proportional to 12,987.91, 19,484.75 and 6,058.63 is: 9,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987.91 : 19,484.75 = 6,058.63 : x
  2. Step 2: Convert to fraction form
    12,987.91/19,484.75 = 6,058.63/x
  3. Step 3: Cross multiply
    12,987.91x = 19,484.75 × 6,058.63
  4. Step 4: Simplify right side
    12,987.91x = 118,050,890.89
  5. Step 5: Solve for x
    x = 118,050,890.89/12,987.91
  6. Step 6: Final answer
    x = 9,089.29

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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.