Home / 19,637.80-29,456.70-11,343.40

Finding the Fourth Proportional to 19,637.80, 29,456.70 and 11,343.40

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Solution

The fourth proportional to 19,637.80, 29,456.70 and 11,343.40 is: 17,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,637.80 : 29,456.70 = 11,343.40 : x
  2. Step 2: Convert to fraction form
    19,637.80/29,456.70 = 11,343.40/x
  3. Step 3: Cross multiply
    19,637.80x = 29,456.70 × 11,343.40
  4. Step 4: Simplify right side
    19,637.80x = 334,139,130.78
  5. Step 5: Solve for x
    x = 334,139,130.78/19,637.80
  6. Step 6: Final answer
    x = 17,015.10

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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.