Home / 14,036.03-19,368.90-7,661.36

Finding the Fourth Proportional to 14,036.03, 19,368.90 and 7,661.36

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Solution

The fourth proportional to 14,036.03, 19,368.90 and 7,661.36 is: 10,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.03 : 19,368.90 = 7,661.36 : x
  2. Step 2: Convert to fraction form
    14,036.03/19,368.90 = 7,661.36/x
  3. Step 3: Cross multiply
    14,036.03x = 19,368.90 × 7,661.36
  4. Step 4: Simplify right side
    14,036.03x = 148,392,164.13
  5. Step 5: Solve for x
    x = 148,392,164.13/14,036.03
  6. Step 6: Final answer
    x = 10,572.23

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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.