Home / 15,830.64-21,856.23-10,167.93

Finding the Fourth Proportional to 15,830.64, 21,856.23 and 10,167.93

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Solution

The fourth proportional to 15,830.64, 21,856.23 and 10,167.93 is: 14,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,830.64 : 21,856.23 = 10,167.93 : x
  2. Step 2: Convert to fraction form
    15,830.64/21,856.23 = 10,167.93/x
  3. Step 3: Cross multiply
    15,830.64x = 21,856.23 × 10,167.93
  4. Step 4: Simplify right side
    15,830.64x = 222,232,616.70
  5. Step 5: Solve for x
    x = 222,232,616.70/15,830.64
  6. Step 6: Final answer
    x = 14,038.13

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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.