Home / 15,659.34-21,603.06-10,361.52

Finding the Fourth Proportional to 15,659.34, 21,603.06 and 10,361.52

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Solution

The fourth proportional to 15,659.34, 21,603.06 and 10,361.52 is: 14,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.34 : 21,603.06 = 10,361.52 : x
  2. Step 2: Convert to fraction form
    15,659.34/21,603.06 = 10,361.52/x
  3. Step 3: Cross multiply
    15,659.34x = 21,603.06 × 10,361.52
  4. Step 4: Simplify right side
    15,659.34x = 223,840,538.25
  5. Step 5: Solve for x
    x = 223,840,538.25/15,659.34
  6. Step 6: Final answer
    x = 14,294.38

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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.