Home / 15,262.40-21,041.44-13,048.07

Finding the Fourth Proportional to 15,262.40, 21,041.44 and 13,048.07

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Solution

The fourth proportional to 15,262.40, 21,041.44 and 13,048.07 is: 17,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.40 : 21,041.44 = 13,048.07 : x
  2. Step 2: Convert to fraction form
    15,262.40/21,041.44 = 13,048.07/x
  3. Step 3: Cross multiply
    15,262.40x = 21,041.44 × 13,048.07
  4. Step 4: Simplify right side
    15,262.40x = 274,550,044.19
  5. Step 5: Solve for x
    x = 274,550,044.19/15,262.40
  6. Step 6: Final answer
    x = 17,988.65

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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.