Home / 13,353.07-18,407.59-10,511.34

Finding the Fourth Proportional to 13,353.07, 18,407.59 and 10,511.34

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Solution

The fourth proportional to 13,353.07, 18,407.59 and 10,511.34 is: 14,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.07 : 18,407.59 = 10,511.34 : x
  2. Step 2: Convert to fraction form
    13,353.07/18,407.59 = 10,511.34/x
  3. Step 3: Cross multiply
    13,353.07x = 18,407.59 × 10,511.34
  4. Step 4: Simplify right side
    13,353.07x = 193,488,437.07
  5. Step 5: Solve for x
    x = 193,488,437.07/13,353.07
  6. Step 6: Final answer
    x = 14,490.18

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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.