Home / 15,430.59-23,136.98-13,585.41

Finding the Fourth Proportional to 15,430.59, 23,136.98 and 13,585.41

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Solution

The fourth proportional to 15,430.59, 23,136.98 and 13,585.41 is: 20,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.59 : 23,136.98 = 13,585.41 : x
  2. Step 2: Convert to fraction form
    15,430.59/23,136.98 = 13,585.41/x
  3. Step 3: Cross multiply
    15,430.59x = 23,136.98 × 13,585.41
  4. Step 4: Simplify right side
    15,430.59x = 314,325,291.53
  5. Step 5: Solve for x
    x = 314,325,291.53/15,430.59
  6. Step 6: Final answer
    x = 20,370.27

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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.