Home / 19,877.40-29,817.47-6,725.32

Finding the Fourth Proportional to 19,877.40, 29,817.47 and 6,725.32

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Solution

The fourth proportional to 19,877.40, 29,817.47 and 6,725.32 is: 10,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.40 : 29,817.47 = 6,725.32 : x
  2. Step 2: Convert to fraction form
    19,877.40/29,817.47 = 6,725.32/x
  3. Step 3: Cross multiply
    19,877.40x = 29,817.47 × 6,725.32
  4. Step 4: Simplify right side
    19,877.40x = 200,532,044.15
  5. Step 5: Solve for x
    x = 200,532,044.15/19,877.40
  6. Step 6: Final answer
    x = 10,088.45

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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.