Home / 15,698.07-21,663.36-8,527.86

Finding the Fourth Proportional to 15,698.07, 21,663.36 and 8,527.86

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Solution

The fourth proportional to 15,698.07, 21,663.36 and 8,527.86 is: 11,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.07 : 21,663.36 = 8,527.86 : x
  2. Step 2: Convert to fraction form
    15,698.07/21,663.36 = 8,527.86/x
  3. Step 3: Cross multiply
    15,698.07x = 21,663.36 × 8,527.86
  4. Step 4: Simplify right side
    15,698.07x = 184,742,101.21
  5. Step 5: Solve for x
    x = 184,742,101.21/15,698.07
  6. Step 6: Final answer
    x = 11,768.46

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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.