Home / 14,261.86-21,385.16-4,770

Finding the Fourth Proportional to 14,261.86, 21,385.16 and 4,770

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Solution

The fourth proportional to 14,261.86, 21,385.16 and 4,770 is: 7,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.86 : 21,385.16 = 4,770 : x
  2. Step 2: Convert to fraction form
    14,261.86/21,385.16 = 4,770/x
  3. Step 3: Cross multiply
    14,261.86x = 21,385.16 × 4,770
  4. Step 4: Simplify right side
    14,261.86x = 102,007,213.20
  5. Step 5: Solve for x
    x = 102,007,213.20/14,261.86
  6. Step 6: Final answer
    x = 7,152.45

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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.