Home / 14,293.08-21,283.35-13,768.20

Finding the Fourth Proportional to 14,293.08, 21,283.35 and 13,768.20

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Solution

The fourth proportional to 14,293.08, 21,283.35 and 13,768.20 is: 20,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.08 : 21,283.35 = 13,768.20 : x
  2. Step 2: Convert to fraction form
    14,293.08/21,283.35 = 13,768.20/x
  3. Step 3: Cross multiply
    14,293.08x = 21,283.35 × 13,768.20
  4. Step 4: Simplify right side
    14,293.08x = 293,033,419.47
  5. Step 5: Solve for x
    x = 293,033,419.47/14,293.08
  6. Step 6: Final answer
    x = 20,501.77

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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.