Home / 14,585.88-21,765-13,015.08

Finding the Fourth Proportional to 14,585.88, 21,765 and 13,015.08

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Solution

The fourth proportional to 14,585.88, 21,765 and 13,015.08 is: 19,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.88 : 21,765 = 13,015.08 : x
  2. Step 2: Convert to fraction form
    14,585.88/21,765 = 13,015.08/x
  3. Step 3: Cross multiply
    14,585.88x = 21,765 × 13,015.08
  4. Step 4: Simplify right side
    14,585.88x = 283,273,216.20
  5. Step 5: Solve for x
    x = 283,273,216.20/14,585.88
  6. Step 6: Final answer
    x = 19,421.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.