Home / 10,547.51-14,555.09-5,831.69

Finding the Fourth Proportional to 10,547.51, 14,555.09 and 5,831.69

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Solution

The fourth proportional to 10,547.51, 14,555.09 and 5,831.69 is: 8,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.51 : 14,555.09 = 5,831.69 : x
  2. Step 2: Convert to fraction form
    10,547.51/14,555.09 = 5,831.69/x
  3. Step 3: Cross multiply
    10,547.51x = 14,555.09 × 5,831.69
  4. Step 4: Simplify right side
    10,547.51x = 84,880,714.61
  5. Step 5: Solve for x
    x = 84,880,714.61/10,547.51
  6. Step 6: Final answer
    x = 8,047.47

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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.