Home / 19,478.64-26,875.08-13,114.20

Finding the Fourth Proportional to 19,478.64, 26,875.08 and 13,114.20

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Solution

The fourth proportional to 19,478.64, 26,875.08 and 13,114.20 is: 18,093.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.64 : 26,875.08 = 13,114.20 : x
  2. Step 2: Convert to fraction form
    19,478.64/26,875.08 = 13,114.20/x
  3. Step 3: Cross multiply
    19,478.64x = 26,875.08 × 13,114.20
  4. Step 4: Simplify right side
    19,478.64x = 352,445,174.14
  5. Step 5: Solve for x
    x = 352,445,174.14/19,478.64
  6. Step 6: Final answer
    x = 18,093.93

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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.