Home / 19,130.02-28,681.18-12,874.52

Finding the Fourth Proportional to 19,130.02, 28,681.18 and 12,874.52

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Solution

The fourth proportional to 19,130.02, 28,681.18 and 12,874.52 is: 19,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.02 : 28,681.18 = 12,874.52 : x
  2. Step 2: Convert to fraction form
    19,130.02/28,681.18 = 12,874.52/x
  3. Step 3: Cross multiply
    19,130.02x = 28,681.18 × 12,874.52
  4. Step 4: Simplify right side
    19,130.02x = 369,256,425.53
  5. Step 5: Solve for x
    x = 369,256,425.53/19,130.02
  6. Step 6: Final answer
    x = 19,302.46

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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.