Home / 15,346.08-21,186.63-14,460.36

Finding the Fourth Proportional to 15,346.08, 21,186.63 and 14,460.36

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Solution

The fourth proportional to 15,346.08, 21,186.63 and 14,460.36 is: 19,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346.08 : 21,186.63 = 14,460.36 : x
  2. Step 2: Convert to fraction form
    15,346.08/21,186.63 = 14,460.36/x
  3. Step 3: Cross multiply
    15,346.08x = 21,186.63 × 14,460.36
  4. Step 4: Simplify right side
    15,346.08x = 306,366,296.99
  5. Step 5: Solve for x
    x = 306,366,296.99/15,346.08
  6. Step 6: Final answer
    x = 19,963.81

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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.