Home / 15,862.16-23,802.96-12,586.52

Finding the Fourth Proportional to 15,862.16, 23,802.96 and 12,586.52

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Solution

The fourth proportional to 15,862.16, 23,802.96 and 12,586.52 is: 18,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.16 : 23,802.96 = 12,586.52 : x
  2. Step 2: Convert to fraction form
    15,862.16/23,802.96 = 12,586.52/x
  3. Step 3: Cross multiply
    15,862.16x = 23,802.96 × 12,586.52
  4. Step 4: Simplify right side
    15,862.16x = 299,596,432.10
  5. Step 5: Solve for x
    x = 299,596,432.10/15,862.16
  6. Step 6: Final answer
    x = 18,887.49

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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.