Home / 15,582.24-21,495.24-10,539.84

Finding the Fourth Proportional to 15,582.24, 21,495.24 and 10,539.84

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Solution

The fourth proportional to 15,582.24, 21,495.24 and 10,539.84 is: 14,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.24 : 21,495.24 = 10,539.84 : x
  2. Step 2: Convert to fraction form
    15,582.24/21,495.24 = 10,539.84/x
  3. Step 3: Cross multiply
    15,582.24x = 21,495.24 × 10,539.84
  4. Step 4: Simplify right side
    15,582.24x = 226,556,390.36
  5. Step 5: Solve for x
    x = 226,556,390.36/15,582.24
  6. Step 6: Final answer
    x = 14,539.40

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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.