Home / 19,478.84-26,880.95-11,410.70

Finding the Fourth Proportional to 19,478.84, 26,880.95 and 11,410.70

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Solution

The fourth proportional to 19,478.84, 26,880.95 and 11,410.70 is: 15,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.84 : 26,880.95 = 11,410.70 : x
  2. Step 2: Convert to fraction form
    19,478.84/26,880.95 = 11,410.70/x
  3. Step 3: Cross multiply
    19,478.84x = 26,880.95 × 11,410.70
  4. Step 4: Simplify right side
    19,478.84x = 306,730,264.71
  5. Step 5: Solve for x
    x = 306,730,264.71/19,478.84
  6. Step 6: Final answer
    x = 15,746.85

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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.