Home / 15,496.29-21,384.95-9,208.71

Finding the Fourth Proportional to 15,496.29, 21,384.95 and 9,208.71

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Solution

The fourth proportional to 15,496.29, 21,384.95 and 9,208.71 is: 12,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496.29 : 21,384.95 = 9,208.71 : x
  2. Step 2: Convert to fraction form
    15,496.29/21,384.95 = 9,208.71/x
  3. Step 3: Cross multiply
    15,496.29x = 21,384.95 × 9,208.71
  4. Step 4: Simplify right side
    15,496.29x = 196,927,756.87
  5. Step 5: Solve for x
    x = 196,927,756.87/15,496.29
  6. Step 6: Final answer
    x = 12,708.06

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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.