Home / 14,160.30-19,541.68-7,787.16

Finding the Fourth Proportional to 14,160.30, 19,541.68 and 7,787.16

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Solution

The fourth proportional to 14,160.30, 19,541.68 and 7,787.16 is: 10,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.30 : 19,541.68 = 7,787.16 : x
  2. Step 2: Convert to fraction form
    14,160.30/19,541.68 = 7,787.16/x
  3. Step 3: Cross multiply
    14,160.30x = 19,541.68 × 7,787.16
  4. Step 4: Simplify right side
    14,160.30x = 152,174,188.83
  5. Step 5: Solve for x
    x = 152,174,188.83/14,160.30
  6. Step 6: Final answer
    x = 10,746.54

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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.