Home / 15,358.80-23,038.64-4,266.30

Finding the Fourth Proportional to 15,358.80, 23,038.64 and 4,266.30

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Solution

The fourth proportional to 15,358.80, 23,038.64 and 4,266.30 is: 6,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,358.80 : 23,038.64 = 4,266.30 : x
  2. Step 2: Convert to fraction form
    15,358.80/23,038.64 = 4,266.30/x
  3. Step 3: Cross multiply
    15,358.80x = 23,038.64 × 4,266.30
  4. Step 4: Simplify right side
    15,358.80x = 98,289,749.83
  5. Step 5: Solve for x
    x = 98,289,749.83/15,358.80
  6. Step 6: Final answer
    x = 6,399.57

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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.