Home / 15,740.79-23,605.62-4,644.51

Finding the Fourth Proportional to 15,740.79, 23,605.62 and 4,644.51

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Solution

The fourth proportional to 15,740.79, 23,605.62 and 4,644.51 is: 6,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.79 : 23,605.62 = 4,644.51 : x
  2. Step 2: Convert to fraction form
    15,740.79/23,605.62 = 4,644.51/x
  3. Step 3: Cross multiply
    15,740.79x = 23,605.62 × 4,644.51
  4. Step 4: Simplify right side
    15,740.79x = 109,636,538.15
  5. Step 5: Solve for x
    x = 109,636,538.15/15,740.79
  6. Step 6: Final answer
    x = 6,965.12

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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.