Home / 19,355.16-26,708.76-10,856.64

Finding the Fourth Proportional to 19,355.16, 26,708.76 and 10,856.64

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Solution

The fourth proportional to 19,355.16, 26,708.76 and 10,856.64 is: 14,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.16 : 26,708.76 = 10,856.64 : x
  2. Step 2: Convert to fraction form
    19,355.16/26,708.76 = 10,856.64/x
  3. Step 3: Cross multiply
    19,355.16x = 26,708.76 × 10,856.64
  4. Step 4: Simplify right side
    19,355.16x = 289,967,392.17
  5. Step 5: Solve for x
    x = 289,967,392.17/19,355.16
  6. Step 6: Final answer
    x = 14,981.40

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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.