Home / 19,901.89-29,856.48-6,753.57

Finding the Fourth Proportional to 19,901.89, 29,856.48 and 6,753.57

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Solution

The fourth proportional to 19,901.89, 29,856.48 and 6,753.57 is: 10,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.89 : 29,856.48 = 6,753.57 : x
  2. Step 2: Convert to fraction form
    19,901.89/29,856.48 = 6,753.57/x
  3. Step 3: Cross multiply
    19,901.89x = 29,856.48 × 6,753.57
  4. Step 4: Simplify right side
    19,901.89x = 201,637,678.35
  5. Step 5: Solve for x
    x = 201,637,678.35/19,901.89
  6. Step 6: Final answer
    x = 10,131.58

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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.