Home / 13,848.84-19,113.60-8,807.80

Finding the Fourth Proportional to 13,848.84, 19,113.60 and 8,807.80

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Solution

The fourth proportional to 13,848.84, 19,113.60 and 8,807.80 is: 12,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.84 : 19,113.60 = 8,807.80 : x
  2. Step 2: Convert to fraction form
    13,848.84/19,113.60 = 8,807.80/x
  3. Step 3: Cross multiply
    13,848.84x = 19,113.60 × 8,807.80
  4. Step 4: Simplify right side
    13,848.84x = 168,348,766.08
  5. Step 5: Solve for x
    x = 168,348,766.08/13,848.84
  6. Step 6: Final answer
    x = 12,156.16

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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.