Home / 21,373.40-29,495.14-11,813.92

Finding the Fourth Proportional to 21,373.40, 29,495.14 and 11,813.92

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Solution

The fourth proportional to 21,373.40, 29,495.14 and 11,813.92 is: 16,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.40 : 29,495.14 = 11,813.92 : x
  2. Step 2: Convert to fraction form
    21,373.40/29,495.14 = 11,813.92/x
  3. Step 3: Cross multiply
    21,373.40x = 29,495.14 × 11,813.92
  4. Step 4: Simplify right side
    21,373.40x = 348,453,224.35
  5. Step 5: Solve for x
    x = 348,453,224.35/21,373.40
  6. Step 6: Final answer
    x = 16,303.13

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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.