Home / 19,051.04-26,284-12,345.28

Finding the Fourth Proportional to 19,051.04, 26,284 and 12,345.28

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Solution

The fourth proportional to 19,051.04, 26,284 and 12,345.28 is: 17,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.04 : 26,284 = 12,345.28 : x
  2. Step 2: Convert to fraction form
    19,051.04/26,284 = 12,345.28/x
  3. Step 3: Cross multiply
    19,051.04x = 26,284 × 12,345.28
  4. Step 4: Simplify right side
    19,051.04x = 324,483,339.52
  5. Step 5: Solve for x
    x = 324,483,339.52/19,051.04
  6. Step 6: Final answer
    x = 17,032.32

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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.