Home / 15,751.48-23,628.06-6,390.10

Finding the Fourth Proportional to 15,751.48, 23,628.06 and 6,390.10

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Solution

The fourth proportional to 15,751.48, 23,628.06 and 6,390.10 is: 9,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.48 : 23,628.06 = 6,390.10 : x
  2. Step 2: Convert to fraction form
    15,751.48/23,628.06 = 6,390.10/x
  3. Step 3: Cross multiply
    15,751.48x = 23,628.06 × 6,390.10
  4. Step 4: Simplify right side
    15,751.48x = 150,985,666.21
  5. Step 5: Solve for x
    x = 150,985,666.21/15,751.48
  6. Step 6: Final answer
    x = 9,585.49

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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.