Home / 21,202.41-29,263.68-12,248.67

Finding the Fourth Proportional to 21,202.41, 29,263.68 and 12,248.67

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Solution

The fourth proportional to 21,202.41, 29,263.68 and 12,248.67 is: 16,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.41 : 29,263.68 = 12,248.67 : x
  2. Step 2: Convert to fraction form
    21,202.41/29,263.68 = 12,248.67/x
  3. Step 3: Cross multiply
    21,202.41x = 29,263.68 × 12,248.67
  4. Step 4: Simplify right side
    21,202.41x = 358,441,159.31
  5. Step 5: Solve for x
    x = 358,441,159.31/21,202.41
  6. Step 6: Final answer
    x = 16,905.68

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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.