Home / 15,574.64-21,496.07-10,856.26

Finding the Fourth Proportional to 15,574.64, 21,496.07 and 10,856.26

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Solution

The fourth proportional to 15,574.64, 21,496.07 and 10,856.26 is: 14,983.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.64 : 21,496.07 = 10,856.26 : x
  2. Step 2: Convert to fraction form
    15,574.64/21,496.07 = 10,856.26/x
  3. Step 3: Cross multiply
    15,574.64x = 21,496.07 × 10,856.26
  4. Step 4: Simplify right side
    15,574.64x = 233,366,763.14
  5. Step 5: Solve for x
    x = 233,366,763.14/15,574.64
  6. Step 6: Final answer
    x = 14,983.77

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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.