Home / 10,432.40-14,410.51-7,775.19

Finding the Fourth Proportional to 10,432.40, 14,410.51 and 7,775.19

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Solution

The fourth proportional to 10,432.40, 14,410.51 and 7,775.19 is: 10,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.40 : 14,410.51 = 7,775.19 : x
  2. Step 2: Convert to fraction form
    10,432.40/14,410.51 = 7,775.19/x
  3. Step 3: Cross multiply
    10,432.40x = 14,410.51 × 7,775.19
  4. Step 4: Simplify right side
    10,432.40x = 112,044,433.81
  5. Step 5: Solve for x
    x = 112,044,433.81/10,432.40
  6. Step 6: Final answer
    x = 10,740.05

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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.