Home / 15,647.30-23,478.47-9,722.58

Finding the Fourth Proportional to 15,647.30, 23,478.47 and 9,722.58

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Solution

The fourth proportional to 15,647.30, 23,478.47 and 9,722.58 is: 14,588.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.30 : 23,478.47 = 9,722.58 : x
  2. Step 2: Convert to fraction form
    15,647.30/23,478.47 = 9,722.58/x
  3. Step 3: Cross multiply
    15,647.30x = 23,478.47 × 9,722.58
  4. Step 4: Simplify right side
    15,647.30x = 228,271,302.85
  5. Step 5: Solve for x
    x = 228,271,302.85/15,647.30
  6. Step 6: Final answer
    x = 14,588.54

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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.