Home / 10,528.84-15,782.46-7,599.88

Finding the Fourth Proportional to 10,528.84, 15,782.46 and 7,599.88

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Solution

The fourth proportional to 10,528.84, 15,782.46 and 7,599.88 is: 11,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.84 : 15,782.46 = 7,599.88 : x
  2. Step 2: Convert to fraction form
    10,528.84/15,782.46 = 7,599.88/x
  3. Step 3: Cross multiply
    10,528.84x = 15,782.46 × 7,599.88
  4. Step 4: Simplify right side
    10,528.84x = 119,944,802.10
  5. Step 5: Solve for x
    x = 119,944,802.10/10,528.84
  6. Step 6: Final answer
    x = 11,392.02

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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.