Home / 15,258.10-21,045.30-14,003.22

Finding the Fourth Proportional to 15,258.10, 21,045.30 and 14,003.22

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Solution

The fourth proportional to 15,258.10, 21,045.30 and 14,003.22 is: 19,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.10 : 21,045.30 = 14,003.22 : x
  2. Step 2: Convert to fraction form
    15,258.10/21,045.30 = 14,003.22/x
  3. Step 3: Cross multiply
    15,258.10x = 21,045.30 × 14,003.22
  4. Step 4: Simplify right side
    15,258.10x = 294,701,965.87
  5. Step 5: Solve for x
    x = 294,701,965.87/15,258.10
  6. Step 6: Final answer
    x = 19,314.46

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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.