Home / 15,698.07-21,663.05-8,624.34

Finding the Fourth Proportional to 15,698.07, 21,663.05 and 8,624.34

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Solution

The fourth proportional to 15,698.07, 21,663.05 and 8,624.34 is: 11,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.07 : 21,663.05 = 8,624.34 : x
  2. Step 2: Convert to fraction form
    15,698.07/21,663.05 = 8,624.34/x
  3. Step 3: Cross multiply
    15,698.07x = 21,663.05 × 8,624.34
  4. Step 4: Simplify right side
    15,698.07x = 186,829,465.52
  5. Step 5: Solve for x
    x = 186,829,465.52/15,698.07
  6. Step 6: Final answer
    x = 11,901.43

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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.