Home / 13,478.61-18,600.44-7,510.35

Finding the Fourth Proportional to 13,478.61, 18,600.44 and 7,510.35

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Solution

The fourth proportional to 13,478.61, 18,600.44 and 7,510.35 is: 10,364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478.61 : 18,600.44 = 7,510.35 : x
  2. Step 2: Convert to fraction form
    13,478.61/18,600.44 = 7,510.35/x
  3. Step 3: Cross multiply
    13,478.61x = 18,600.44 × 7,510.35
  4. Step 4: Simplify right side
    13,478.61x = 139,695,777.00
  5. Step 5: Solve for x
    x = 139,695,777.00/13,478.61
  6. Step 6: Final answer
    x = 10,364.26

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1.5x scale

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.