Home / 12,848.60-19,270.25-4,948.40

Finding the Fourth Proportional to 12,848.60, 19,270.25 and 4,948.40

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Solution

The fourth proportional to 12,848.60, 19,270.25 and 4,948.40 is: 7,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.60 : 19,270.25 = 4,948.40 : x
  2. Step 2: Convert to fraction form
    12,848.60/19,270.25 = 4,948.40/x
  3. Step 3: Cross multiply
    12,848.60x = 19,270.25 × 4,948.40
  4. Step 4: Simplify right side
    12,848.60x = 95,356,928.53
  5. Step 5: Solve for x
    x = 95,356,928.53/12,848.60
  6. Step 6: Final answer
    x = 7,421.58

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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.