Home / 10,510.48-14,499.87-6,920.81

Finding the Fourth Proportional to 10,510.48, 14,499.87 and 6,920.81

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Solution

The fourth proportional to 10,510.48, 14,499.87 and 6,920.81 is: 9,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.48 : 14,499.87 = 6,920.81 : x
  2. Step 2: Convert to fraction form
    10,510.48/14,499.87 = 6,920.81/x
  3. Step 3: Cross multiply
    10,510.48x = 14,499.87 × 6,920.81
  4. Step 4: Simplify right side
    10,510.48x = 100,350,845.29
  5. Step 5: Solve for x
    x = 100,350,845.29/10,510.48
  6. Step 6: Final answer
    x = 9,547.69

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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.