Home / 11,030.23-15,209.36-10,330.39

Finding the Fourth Proportional to 11,030.23, 15,209.36 and 10,330.39

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Solution

The fourth proportional to 11,030.23, 15,209.36 and 10,330.39 is: 14,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.23 : 15,209.36 = 10,330.39 : x
  2. Step 2: Convert to fraction form
    11,030.23/15,209.36 = 10,330.39/x
  3. Step 3: Cross multiply
    11,030.23x = 15,209.36 × 10,330.39
  4. Step 4: Simplify right side
    11,030.23x = 157,118,569.51
  5. Step 5: Solve for x
    x = 157,118,569.51/11,030.23
  6. Step 6: Final answer
    x = 14,244.36

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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.