Home / 12,899.01-19,347.41-9,135.23

Finding the Fourth Proportional to 12,899.01, 19,347.41 and 9,135.23

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Solution

The fourth proportional to 12,899.01, 19,347.41 and 9,135.23 is: 13,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.01 : 19,347.41 = 9,135.23 : x
  2. Step 2: Convert to fraction form
    12,899.01/19,347.41 = 9,135.23/x
  3. Step 3: Cross multiply
    12,899.01x = 19,347.41 × 9,135.23
  4. Step 4: Simplify right side
    12,899.01x = 176,742,897.84
  5. Step 5: Solve for x
    x = 176,742,897.84/12,899.01
  6. Step 6: Final answer
    x = 13,702.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.