Home / 12,929.51-19,395.38-3,569.53

Finding the Fourth Proportional to 12,929.51, 19,395.38 and 3,569.53

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Solution

The fourth proportional to 12,929.51, 19,395.38 and 3,569.53 is: 5,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.51 : 19,395.38 = 3,569.53 : x
  2. Step 2: Convert to fraction form
    12,929.51/19,395.38 = 3,569.53/x
  3. Step 3: Cross multiply
    12,929.51x = 19,395.38 × 3,569.53
  4. Step 4: Simplify right side
    12,929.51x = 69,232,390.77
  5. Step 5: Solve for x
    x = 69,232,390.77/12,929.51
  6. Step 6: Final answer
    x = 5,354.60

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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.