Home / 19,030-26,261.40-10,646.50

Finding the Fourth Proportional to 19,030, 26,261.40 and 10,646.50

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Solution

The fourth proportional to 19,030, 26,261.40 and 10,646.50 is: 14,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030 : 26,261.40 = 10,646.50 : x
  2. Step 2: Convert to fraction form
    19,030/26,261.40 = 10,646.50/x
  3. Step 3: Cross multiply
    19,030x = 26,261.40 × 10,646.50
  4. Step 4: Simplify right side
    19,030x = 279,591,995.10
  5. Step 5: Solve for x
    x = 279,591,995.10/19,030
  6. Step 6: Final answer
    x = 14,692.17

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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.