Home / 14,848.44-20,490-10,886.28

Finding the Fourth Proportional to 14,848.44, 20,490 and 10,886.28

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Solution

The fourth proportional to 14,848.44, 20,490 and 10,886.28 is: 15,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.44 : 20,490 = 10,886.28 : x
  2. Step 2: Convert to fraction form
    14,848.44/20,490 = 10,886.28/x
  3. Step 3: Cross multiply
    14,848.44x = 20,490 × 10,886.28
  4. Step 4: Simplify right side
    14,848.44x = 223,059,877.20
  5. Step 5: Solve for x
    x = 223,059,877.20/14,848.44
  6. Step 6: Final answer
    x = 15,022.45

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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.