Home / 15,622.51-23,404.34-7,715.77

Finding the Fourth Proportional to 15,622.51, 23,404.34 and 7,715.77

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Solution

The fourth proportional to 15,622.51, 23,404.34 and 7,715.77 is: 11,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.51 : 23,404.34 = 7,715.77 : x
  2. Step 2: Convert to fraction form
    15,622.51/23,404.34 = 7,715.77/x
  3. Step 3: Cross multiply
    15,622.51x = 23,404.34 × 7,715.77
  4. Step 4: Simplify right side
    15,622.51x = 180,582,504.44
  5. Step 5: Solve for x
    x = 180,582,504.44/15,622.51
  6. Step 6: Final answer
    x = 11,559.12

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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.