Home / 10,356.23-15,518.98-7,606.79

Finding the Fourth Proportional to 10,356.23, 15,518.98 and 7,606.79

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Solution

The fourth proportional to 10,356.23, 15,518.98 and 7,606.79 is: 11,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.23 : 15,518.98 = 7,606.79 : x
  2. Step 2: Convert to fraction form
    10,356.23/15,518.98 = 7,606.79/x
  3. Step 3: Cross multiply
    10,356.23x = 15,518.98 × 7,606.79
  4. Step 4: Simplify right side
    10,356.23x = 118,049,506.25
  5. Step 5: Solve for x
    x = 118,049,506.25/10,356.23
  6. Step 6: Final answer
    x = 11,398.89

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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.