Home / 19,354.32-26,706.78-10,856.46

Finding the Fourth Proportional to 19,354.32, 26,706.78 and 10,856.46

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Solution

The fourth proportional to 19,354.32, 26,706.78 and 10,856.46 is: 14,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.32 : 26,706.78 = 10,856.46 : x
  2. Step 2: Convert to fraction form
    19,354.32/26,706.78 = 10,856.46/x
  3. Step 3: Cross multiply
    19,354.32x = 26,706.78 × 10,856.46
  4. Step 4: Simplify right side
    19,354.32x = 289,941,088.80
  5. Step 5: Solve for x
    x = 289,941,088.80/19,354.32
  6. Step 6: Final answer
    x = 14,980.69

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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.