Home / 15,457.59-21,329.60-10,743.39

Finding the Fourth Proportional to 15,457.59, 21,329.60 and 10,743.39

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Solution

The fourth proportional to 15,457.59, 21,329.60 and 10,743.39 is: 14,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457.59 : 21,329.60 = 10,743.39 : x
  2. Step 2: Convert to fraction form
    15,457.59/21,329.60 = 10,743.39/x
  3. Step 3: Cross multiply
    15,457.59x = 21,329.60 × 10,743.39
  4. Step 4: Simplify right side
    15,457.59x = 229,152,157.63
  5. Step 5: Solve for x
    x = 229,152,157.63/15,457.59
  6. Step 6: Final answer
    x = 14,824.57

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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.