Home / 11,530.34-15,879.15-10,386.26

Finding the Fourth Proportional to 11,530.34, 15,879.15 and 10,386.26

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Solution

The fourth proportional to 11,530.34, 15,879.15 and 10,386.26 is: 14,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.34 : 15,879.15 = 10,386.26 : x
  2. Step 2: Convert to fraction form
    11,530.34/15,879.15 = 10,386.26/x
  3. Step 3: Cross multiply
    11,530.34x = 15,879.15 × 10,386.26
  4. Step 4: Simplify right side
    11,530.34x = 164,924,980.48
  5. Step 5: Solve for x
    x = 164,924,980.48/11,530.34
  6. Step 6: Final answer
    x = 14,303.57

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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.