Home / 15,376.78-23,036.01-9,123.58

Finding the Fourth Proportional to 15,376.78, 23,036.01 and 9,123.58

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Solution

The fourth proportional to 15,376.78, 23,036.01 and 9,123.58 is: 13,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.78 : 23,036.01 = 9,123.58 : x
  2. Step 2: Convert to fraction form
    15,376.78/23,036.01 = 9,123.58/x
  3. Step 3: Cross multiply
    15,376.78x = 23,036.01 × 9,123.58
  4. Step 4: Simplify right side
    15,376.78x = 210,170,880.12
  5. Step 5: Solve for x
    x = 210,170,880.12/15,376.78
  6. Step 6: Final answer
    x = 13,668.07

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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.