Home / 13,862.58-19,130.67-8,272.50

Finding the Fourth Proportional to 13,862.58, 19,130.67 and 8,272.50

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Solution

The fourth proportional to 13,862.58, 19,130.67 and 8,272.50 is: 11,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.58 : 19,130.67 = 8,272.50 : x
  2. Step 2: Convert to fraction form
    13,862.58/19,130.67 = 8,272.50/x
  3. Step 3: Cross multiply
    13,862.58x = 19,130.67 × 8,272.50
  4. Step 4: Simplify right side
    13,862.58x = 158,258,467.58
  5. Step 5: Solve for x
    x = 158,258,467.58/13,862.58
  6. Step 6: Final answer
    x = 11,416.23

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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.