Home / 18,746.85-25,870.77-10,248.99

Finding the Fourth Proportional to 18,746.85, 25,870.77 and 10,248.99

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Solution

The fourth proportional to 18,746.85, 25,870.77 and 10,248.99 is: 14,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.85 : 25,870.77 = 10,248.99 : x
  2. Step 2: Convert to fraction form
    18,746.85/25,870.77 = 10,248.99/x
  3. Step 3: Cross multiply
    18,746.85x = 25,870.77 × 10,248.99
  4. Step 4: Simplify right side
    18,746.85x = 265,149,263.02
  5. Step 5: Solve for x
    x = 265,149,263.02/18,746.85
  6. Step 6: Final answer
    x = 14,143.67

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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.