Home / 19,417.51-29,129.10-7,569.10

Finding the Fourth Proportional to 19,417.51, 29,129.10 and 7,569.10

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Solution

The fourth proportional to 19,417.51, 29,129.10 and 7,569.10 is: 11,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.51 : 29,129.10 = 7,569.10 : x
  2. Step 2: Convert to fraction form
    19,417.51/29,129.10 = 7,569.10/x
  3. Step 3: Cross multiply
    19,417.51x = 29,129.10 × 7,569.10
  4. Step 4: Simplify right side
    19,417.51x = 220,481,070.81
  5. Step 5: Solve for x
    x = 220,481,070.81/19,417.51
  6. Step 6: Final answer
    x = 11,354.76

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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.