Home / 19,077.04-26,319.88-12,371.28

Finding the Fourth Proportional to 19,077.04, 26,319.88 and 12,371.28

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Solution

The fourth proportional to 19,077.04, 26,319.88 and 12,371.28 is: 17,068.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.04 : 26,319.88 = 12,371.28 : x
  2. Step 2: Convert to fraction form
    19,077.04/26,319.88 = 12,371.28/x
  3. Step 3: Cross multiply
    19,077.04x = 26,319.88 × 12,371.28
  4. Step 4: Simplify right side
    19,077.04x = 325,610,605.05
  5. Step 5: Solve for x
    x = 325,610,605.05/19,077.04
  6. Step 6: Final answer
    x = 17,068.19

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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.