Home / 18,746.03-25,870.30-10,788.28

Finding the Fourth Proportional to 18,746.03, 25,870.30 and 10,788.28

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Solution

The fourth proportional to 18,746.03, 25,870.30 and 10,788.28 is: 14,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.03 : 25,870.30 = 10,788.28 : x
  2. Step 2: Convert to fraction form
    18,746.03/25,870.30 = 10,788.28/x
  3. Step 3: Cross multiply
    18,746.03x = 25,870.30 × 10,788.28
  4. Step 4: Simplify right side
    18,746.03x = 279,096,040.08
  5. Step 5: Solve for x
    x = 279,096,040.08/18,746.03
  6. Step 6: Final answer
    x = 14,888.27

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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.