Home / 13,856.57-19,122.53-7,569.35

Finding the Fourth Proportional to 13,856.57, 19,122.53 and 7,569.35

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Solution

The fourth proportional to 13,856.57, 19,122.53 and 7,569.35 is: 10,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.57 : 19,122.53 = 7,569.35 : x
  2. Step 2: Convert to fraction form
    13,856.57/19,122.53 = 7,569.35/x
  3. Step 3: Cross multiply
    13,856.57x = 19,122.53 × 7,569.35
  4. Step 4: Simplify right side
    13,856.57x = 144,745,026.84
  5. Step 5: Solve for x
    x = 144,745,026.84/13,856.57
  6. Step 6: Final answer
    x = 10,445.95

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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.