Home / 13,663.03-20,494.54-10,547.58

Finding the Fourth Proportional to 13,663.03, 20,494.54 and 10,547.58

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Solution

The fourth proportional to 13,663.03, 20,494.54 and 10,547.58 is: 15,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.03 : 20,494.54 = 10,547.58 : x
  2. Step 2: Convert to fraction form
    13,663.03/20,494.54 = 10,547.58/x
  3. Step 3: Cross multiply
    13,663.03x = 20,494.54 × 10,547.58
  4. Step 4: Simplify right side
    13,663.03x = 216,167,811.21
  5. Step 5: Solve for x
    x = 216,167,811.21/13,663.03
  6. Step 6: Final answer
    x = 15,821.37

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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.