Home / 21,838.99-32,735.12-11,298.39

Finding the Fourth Proportional to 21,838.99, 32,735.12 and 11,298.39

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Solution

The fourth proportional to 21,838.99, 32,735.12 and 11,298.39 is: 16,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838.99 : 32,735.12 = 11,298.39 : x
  2. Step 2: Convert to fraction form
    21,838.99/32,735.12 = 11,298.39/x
  3. Step 3: Cross multiply
    21,838.99x = 32,735.12 × 11,298.39
  4. Step 4: Simplify right side
    21,838.99x = 369,854,312.96
  5. Step 5: Solve for x
    x = 369,854,312.96/21,838.99
  6. Step 6: Final answer
    x = 16,935.50

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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.