Home / 13,848.56-20,776.08-4,360.40

Finding the Fourth Proportional to 13,848.56, 20,776.08 and 4,360.40

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Solution

The fourth proportional to 13,848.56, 20,776.08 and 4,360.40 is: 6,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.56 : 20,776.08 = 4,360.40 : x
  2. Step 2: Convert to fraction form
    13,848.56/20,776.08 = 4,360.40/x
  3. Step 3: Cross multiply
    13,848.56x = 20,776.08 × 4,360.40
  4. Step 4: Simplify right side
    13,848.56x = 90,592,019.23
  5. Step 5: Solve for x
    x = 90,592,019.23/13,848.56
  6. Step 6: Final answer
    x = 6,541.62

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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.