Home / 15,389.52-23,076-7,975.59

Finding the Fourth Proportional to 15,389.52, 23,076 and 7,975.59

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Solution

The fourth proportional to 15,389.52, 23,076 and 7,975.59 is: 11,959.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.52 : 23,076 = 7,975.59 : x
  2. Step 2: Convert to fraction form
    15,389.52/23,076 = 7,975.59/x
  3. Step 3: Cross multiply
    15,389.52x = 23,076 × 7,975.59
  4. Step 4: Simplify right side
    15,389.52x = 184,044,714.84
  5. Step 5: Solve for x
    x = 184,044,714.84/15,389.52
  6. Step 6: Final answer
    x = 11,959.09

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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.