Home / 19,029.32-26,258.10-10,643.72

Finding the Fourth Proportional to 19,029.32, 26,258.10 and 10,643.72

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Solution

The fourth proportional to 19,029.32, 26,258.10 and 10,643.72 is: 14,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.32 : 26,258.10 = 10,643.72 : x
  2. Step 2: Convert to fraction form
    19,029.32/26,258.10 = 10,643.72/x
  3. Step 3: Cross multiply
    19,029.32x = 26,258.10 × 10,643.72
  4. Step 4: Simplify right side
    19,029.32x = 279,483,864.13
  5. Step 5: Solve for x
    x = 279,483,864.13/19,029.32
  6. Step 6: Final answer
    x = 14,687.01

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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.