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Finding the Fourth Proportional to 14,788.16, 22,186.08 and 7,392.32

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Solution

The fourth proportional to 14,788.16, 22,186.08 and 7,392.32 is: 11,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.16 : 22,186.08 = 7,392.32 : x
  2. Step 2: Convert to fraction form
    14,788.16/22,186.08 = 7,392.32/x
  3. Step 3: Cross multiply
    14,788.16x = 22,186.08 × 7,392.32
  4. Step 4: Simplify right side
    14,788.16x = 164,006,602.91
  5. Step 5: Solve for x
    x = 164,006,602.91/14,788.16
  6. Step 6: Final answer
    x = 11,090.40

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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.