Home / 15,535.80-23,303.70-5,148.36

Finding the Fourth Proportional to 15,535.80, 23,303.70 and 5,148.36

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Solution

The fourth proportional to 15,535.80, 23,303.70 and 5,148.36 is: 7,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.80 : 23,303.70 = 5,148.36 : x
  2. Step 2: Convert to fraction form
    15,535.80/23,303.70 = 5,148.36/x
  3. Step 3: Cross multiply
    15,535.80x = 23,303.70 × 5,148.36
  4. Step 4: Simplify right side
    15,535.80x = 119,975,836.93
  5. Step 5: Solve for x
    x = 119,975,836.93/15,535.80
  6. Step 6: Final answer
    x = 7,722.54

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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.