Home / 13,987.83-19,297.67-9,737.76

Finding the Fourth Proportional to 13,987.83, 19,297.67 and 9,737.76

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Solution

The fourth proportional to 13,987.83, 19,297.67 and 9,737.76 is: 13,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,987.83 : 19,297.67 = 9,737.76 : x
  2. Step 2: Convert to fraction form
    13,987.83/19,297.67 = 9,737.76/x
  3. Step 3: Cross multiply
    13,987.83x = 19,297.67 × 9,737.76
  4. Step 4: Simplify right side
    13,987.83x = 187,916,030.33
  5. Step 5: Solve for x
    x = 187,916,030.33/13,987.83
  6. Step 6: Final answer
    x = 13,434.25

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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.