Home / 21,459.56-32,165.04-11,603.48

Finding the Fourth Proportional to 21,459.56, 32,165.04 and 11,603.48

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Solution

The fourth proportional to 21,459.56, 32,165.04 and 11,603.48 is: 17,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.56 : 32,165.04 = 11,603.48 : x
  2. Step 2: Convert to fraction form
    21,459.56/32,165.04 = 11,603.48/x
  3. Step 3: Cross multiply
    21,459.56x = 32,165.04 × 11,603.48
  4. Step 4: Simplify right side
    21,459.56x = 373,226,398.34
  5. Step 5: Solve for x
    x = 373,226,398.34/21,459.56
  6. Step 6: Final answer
    x = 17,392.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.