Home / 14,054.28-21,071.04-8,506.40

Finding the Fourth Proportional to 14,054.28, 21,071.04 and 8,506.40

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Solution

The fourth proportional to 14,054.28, 21,071.04 and 8,506.40 is: 12,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.28 : 21,071.04 = 8,506.40 : x
  2. Step 2: Convert to fraction form
    14,054.28/21,071.04 = 8,506.40/x
  3. Step 3: Cross multiply
    14,054.28x = 21,071.04 × 8,506.40
  4. Step 4: Simplify right side
    14,054.28x = 179,238,652.12
  5. Step 5: Solve for x
    x = 179,238,652.12/14,054.28
  6. Step 6: Final answer
    x = 12,753.32

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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.