Home / 15,938.60-23,918.70-10,378.40

Finding the Fourth Proportional to 15,938.60, 23,918.70 and 10,378.40

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Solution

The fourth proportional to 15,938.60, 23,918.70 and 10,378.40 is: 15,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.60 : 23,918.70 = 10,378.40 : x
  2. Step 2: Convert to fraction form
    15,938.60/23,918.70 = 10,378.40/x
  3. Step 3: Cross multiply
    15,938.60x = 23,918.70 × 10,378.40
  4. Step 4: Simplify right side
    15,938.60x = 248,237,836.08
  5. Step 5: Solve for x
    x = 248,237,836.08/15,938.60
  6. Step 6: Final answer
    x = 15,574.63

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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.