Home / 15,430.96-23,133.48-10,486.72

Finding the Fourth Proportional to 15,430.96, 23,133.48 and 10,486.72

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Solution

The fourth proportional to 15,430.96, 23,133.48 and 10,486.72 is: 15,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.96 : 23,133.48 = 10,486.72 : x
  2. Step 2: Convert to fraction form
    15,430.96/23,133.48 = 10,486.72/x
  3. Step 3: Cross multiply
    15,430.96x = 23,133.48 × 10,486.72
  4. Step 4: Simplify right side
    15,430.96x = 242,594,327.39
  5. Step 5: Solve for x
    x = 242,594,327.39/15,430.96
  6. Step 6: Final answer
    x = 15,721.27

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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.