Home / 15,837.40-23,756.10-10,847.80

Finding the Fourth Proportional to 15,837.40, 23,756.10 and 10,847.80

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Solution

The fourth proportional to 15,837.40, 23,756.10 and 10,847.80 is: 16,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837.40 : 23,756.10 = 10,847.80 : x
  2. Step 2: Convert to fraction form
    15,837.40/23,756.10 = 10,847.80/x
  3. Step 3: Cross multiply
    15,837.40x = 23,756.10 × 10,847.80
  4. Step 4: Simplify right side
    15,837.40x = 257,701,421.58
  5. Step 5: Solve for x
    x = 257,701,421.58/15,837.40
  6. Step 6: Final answer
    x = 16,271.70

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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.