Home / 10,386.08-14,340.95-8,363.06

Finding the Fourth Proportional to 10,386.08, 14,340.95 and 8,363.06

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Solution

The fourth proportional to 10,386.08, 14,340.95 and 8,363.06 is: 11,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.08 : 14,340.95 = 8,363.06 : x
  2. Step 2: Convert to fraction form
    10,386.08/14,340.95 = 8,363.06/x
  3. Step 3: Cross multiply
    10,386.08x = 14,340.95 × 8,363.06
  4. Step 4: Simplify right side
    10,386.08x = 119,934,219.34
  5. Step 5: Solve for x
    x = 119,934,219.34/10,386.08
  6. Step 6: Final answer
    x = 11,547.60

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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.