Home / 23,012.16-34,518.40-7,430.40

Finding the Fourth Proportional to 23,012.16, 34,518.40 and 7,430.40

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Solution

The fourth proportional to 23,012.16, 34,518.40 and 7,430.40 is: 11,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,012.16 : 34,518.40 = 7,430.40 : x
  2. Step 2: Convert to fraction form
    23,012.16/34,518.40 = 7,430.40/x
  3. Step 3: Cross multiply
    23,012.16x = 34,518.40 × 7,430.40
  4. Step 4: Simplify right side
    23,012.16x = 256,485,519.36
  5. Step 5: Solve for x
    x = 256,485,519.36/23,012.16
  6. Step 6: Final answer
    x = 11,145.65

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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.