Home / 19,897.17-27,457.05-10,942.91

Finding the Fourth Proportional to 19,897.17, 27,457.05 and 10,942.91

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Solution

The fourth proportional to 19,897.17, 27,457.05 and 10,942.91 is: 15,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.17 : 27,457.05 = 10,942.91 : x
  2. Step 2: Convert to fraction form
    19,897.17/27,457.05 = 10,942.91/x
  3. Step 3: Cross multiply
    19,897.17x = 27,457.05 × 10,942.91
  4. Step 4: Simplify right side
    19,897.17x = 300,460,027.02
  5. Step 5: Solve for x
    x = 300,460,027.02/19,897.17
  6. Step 6: Final answer
    x = 15,100.64

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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.