Home / 15,698.22-21,663.48-8,528.10

Finding the Fourth Proportional to 15,698.22, 21,663.48 and 8,528.10

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Solution

The fourth proportional to 15,698.22, 21,663.48 and 8,528.10 is: 11,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.22 : 21,663.48 = 8,528.10 : x
  2. Step 2: Convert to fraction form
    15,698.22/21,663.48 = 8,528.10/x
  3. Step 3: Cross multiply
    15,698.22x = 21,663.48 × 8,528.10
  4. Step 4: Simplify right side
    15,698.22x = 184,748,323.79
  5. Step 5: Solve for x
    x = 184,748,323.79/15,698.22
  6. Step 6: Final answer
    x = 11,768.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.